{"id":883,"date":"2026-09-11T09:26:31","date_gmt":"2026-09-11T01:26:31","guid":{"rendered":"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid-granule\/"},"modified":"2026-09-16T19:19:55","modified_gmt":"2026-09-16T11:19:55","slug":"insoluble-humic-acid-granule","status":"publish","type":"product_item","link":"https:\/\/www.jingfenggroup.com\/zh\/insoluble-humic-acid\/insoluble-humic-acid-granule\/","title":{"rendered":"Insoluble Humic Acid Granule \u2013 2\u20134 mm Disc-Granulated, 40% Humic Acid"},"content":{"rendered":"<style>\n\/* \u57fa\u7840\u91cd\u7f6e + \u5168\u5c40\u5e73\u6ed1\u6eda\u52a8\uff08\u951a\u70b9\u515c\u5e95\uff09 *\/\nhtml{scroll-behavior:smooth;scroll-padding-top:78px;}\n.jf-wrap{max-width:1140px;margin:0 auto;padding:0 16px;box-sizing:border-box;}\n.jf-wrap *{box-sizing:border-box;}\n\/* \u9690\u85cf\u4e3b\u9898\u81ea\u52a8\u63d2\u5165\u7684 Table of contents\uff08\u4e0e\u60ac\u6d6e\u951a\u70b9\u5bfc\u822a\u91cd\u590d\uff09 *\/\n.toc-box{display:none 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rgba(0,77,77,.10);transform:translateY(-2px)}.jf-rel-img{display:block;aspect-ratio:1\/1;background:#f5fafa;overflow:hidden}.jf-rel-img img{width:100%;height:100%;object-fit:cover;display:block}.jf-rel-thumb .t{display:block;padding:9px 11px;font-size:13px;font-weight:600;color:#004d4d;line-height:1.35}<\/style>\n<div class=\"jf-wrap\">\n<nav class=\"jf-nav\">\n<a href=\"#overview\">Overview<\/a><br \/>\n<a href=\"#benefits\">Benefits<\/a><br \/>\n<a href=\"#specs\">Specs<\/a><br \/>\n<a href=\"#docs\">Documents<\/a><br \/>\n<a href=\"#solubility\">Form<\/a><br \/>\n<a href=\"#applications\">Applications<\/a><br \/>\n<a href=\"#packaging\">Packaging<\/a><br \/>\n<a href=\"#cases\">Cases<\/a><br \/>\n<a href=\"#faq\">FAQ<\/a><br \/>\n<\/nav>\n<div class=\"jf-hero\">\n<div class=\"jf-hero-eyebrow\">INSOLUBLE HUMIC ACID &middot; DISC-GRANULATED<\/div>\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule[data-kb-block=\"kb-adv-headingkb-h1-granule\"]{font-size:33px;font-style:normal;color:#ffffff;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule[data-kb-block=\"kb-adv-headingkb-h1-granule\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule[data-kb-block=\"kb-adv-headingkb-h1-granule\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule, .wp-block-kadence-advancedheading.kt-adv-headingkb-h1-granule[data-kb-block=\"kb-adv-headingkb-h1-granule\"]{font-size:26px;}}<\/style>\n<h1 class=\"kt-adv-heading kb-h1-granule jf-hero-title\">Insoluble Humic Acid Granule<\/h1>\n<p class=\"jf-hero-tag\">Round, Uniform, Dust-Free Humic Granules for Bulk Blending and Broadcasting<\/p>\n<div class=\"jf-badges\">\n<span class=\"jf-badge\">Humic acid 40% min<\/span><br \/>\n<span class=\"jf-badge\">Organic matter 60% min<\/span><br \/>\n<span class=\"jf-badge\">Size 2\u20134 mm<\/span><br \/>\n<span class=\"jf-badge\">Code JFHA-HA-G<\/span>\n<\/div>\n<p class=\"jf-hero-lead\"><strong>2\u20134 mm round granule &middot; 40% humic acid &middot; 60% organic matter &middot; pH 5.0\u20137.0 &middot; dust-free<\/strong><\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"overview\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-overview[data-kb-block=\"kb-adv-headingkb-h2-overview\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Product Overview<\/h2>\n<p><strong>Insoluble Humic Acid Granule<\/strong> is leonardite powder formed into uniform <strong>2\u20134 mm round granules<\/strong> on a disc granulator. It is the grade to choose when the material has to be <strong>spread by machine<\/strong> or <strong>blended with granular fertiliser<\/strong>, and when a fine powder would cause dust, segregation or handling problems.<\/p>\n<p>Two practical problems drive customers to this grade. The first is <strong>segregation<\/strong> \u2014 a fine humic powder blended into granular NPK separates out during transport and sits in the bottom of the bag, so the farmer applies an uneven product. A granule matched to the 2\u20134 mm band stays where it was blended. The second is <strong>dust<\/strong> \u2014 powder generates a visible cloud at the spreader and losses to wind, neither of which a granule does.<\/p>\n<p>The trade-off is straightforward: granulation adds a process step and the binder adds a little inert material, so humic acid sits at <strong>40% minimum<\/strong> rather than the 60% of our raw crystal. You are buying handling behaviour, not peak analysis.<\/p>\n<p><strong>Insoluble Humic Acid Granule<\/strong> is the workhorse of the insoluble range \u2014 the grade most often ordered in full containers for bulk blending and direct broadcasting.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"benefits\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-benefits[data-kb-block=\"kb-adv-headingkb-h2-benefits\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Key Benefits<\/h2>\n<div class=\"jf-grid\">\n<div class=\"jf-card\">\n<h4>Size-matched to granular NPK \u2014 no segregation<\/h4>\n<p>At 2\u20134 mm the granule sits in the same size band as standard MAP, DAP and urea prills. It stays distributed through blending, transport and spreading, so the analysis the farmer sees on the bag is the analysis that reaches the field.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Genuinely dust-free<\/h4>\n<p>Round granules produce no dust cloud at the spreader. That means no product lost to wind, no operator exposure complaint, and no dark film over everything in the shed.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Spreads accurately with standard equipment<\/h4>\n<p>The uniform round shape flows consistently through a spinner or pneumatic spreader, giving an even spread pattern. A powder of the same analysis would not deliver the same distribution.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Handles the whole logistics chain<\/h4>\n<p>Granules survive drum blending, conveyor transfer, bagging and palletising without breaking down into fines, so what leaves the factory is what arrives.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>60% organic matter alongside the humic fraction<\/h4>\n<p>Beyond the 40% humic acid, the material carries 60% minimum organic matter \u2014 a real contribution to soil organic carbon, not a trace addition.<\/p>\n<\/div>\n<div class=\"jf-card\">\n<h4>Neutral pH suits most soils<\/h4>\n<p>At pH 5.0\u20137.0 this grade is safe across the majority of agricultural ground, unlike our acidic crystal grade which is a specialist choice for alkaline conditions.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"specs\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-specs[data-kb-block=\"kb-adv-headingkb-h2-specs\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Technical Specification<\/h2>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Specification<\/th>\n<th>Test standard<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Humic acid (dry basis)<\/td>\n<td>40.0% min<\/td>\n<td>GB\/T 11957-2001<\/td>\n<\/tr>\n<tr>\n<td>Organic matter (dry basis)<\/td>\n<td>60.0% min<\/td>\n<td>NY 525-2012<\/td>\n<\/tr>\n<tr>\n<td>Moisture<\/td>\n<td>30.0% max<\/td>\n<td>GB\/T 11957-2001<\/td>\n<\/tr>\n<tr>\n<td>pH (1:100)<\/td>\n<td>5.0 \u2013 7.0<\/td>\n<td>GB\/T 33804-2017<\/td>\n<\/tr>\n<tr>\n<td>Grain size<\/td>\n<td>2 \u2013 4 mm<\/td>\n<td>Sieve method<\/td>\n<\/tr>\n<tr>\n<td>Granule shape<\/td>\n<td>Round \/ spherical<\/td>\n<td>Visual<\/td>\n<\/tr>\n<tr>\n<td>Water solubility<\/td>\n<td>Nil (insoluble by design)<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>Appearance<\/td>\n<td>Black round granule<\/td>\n<td>Visual<\/td>\n<\/tr>\n<tr>\n<td>Product code<\/td>\n<td>JFHA-HA-G<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"jf-sub\">Specification values are guaranteed minimums on a dry basis, taken from the batch Certificate of Analysis and tested against the stated Chinese industry standards. Every shipment travels with its own COA stating the tested values.<\/p>\n<div class=\"jf-doc-cta\" id=\"docs\">\n<p class=\"jf-doc-cta-txt\">Need the full Certificate of Analysis, MSDS, or TDS for your formulation or tender file?<\/p>\n<p><a class=\"jf-btn\" href=\"\/contact\/\">Request COA \/ MSDS \/ TDS<\/a>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"solubility\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-sol[data-kb-block=\"kb-adv-headingkb-h2-sol\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Form &amp; Solubility<\/h2>\n<p><strong>Form:<\/strong> uniform <strong>black round granules<\/strong>, 2\u20134 mm, produced on a disc granulator with a small amount of binder. Round, dense, matte surface, essentially dust-free.<\/p>\n<p><strong>In water:<\/strong> insoluble. The granule takes up moisture and slowly slakes but does not dissolve. <strong>Not for fertigation, drip lines or liquid fertiliser tanks<\/strong> \u2014 it will block filters and emitters.<\/p>\n<p><strong>Crush strength:<\/strong> adequate for normal handling \u2014 blending, conveying, bagging, spreading. It is not a high-hardness prill; if the material has to survive aggressive mechanical handling or be blended with urea in a rough drum, look at our <a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-prills\/\">Prills grade<\/a> instead, which is built for exactly that.<\/p>\n<p><strong>In the blender:<\/strong> where this grade belongs. It matches granular NPK in size and density closely enough that segregation is not a practical problem on a standard blend line.<\/p>\n<div class=\"jf-note\"><strong>Honest note:<\/strong> this is a standard-hardness granule. It handles normally \u2014 blending, bagging, spreading \u2014 but it is not built for aggressive mechanical abuse. If your line is rough, or the blend has to sit in a warehouse through a humid season, the Prills grade is the safer buy and we will recommend it even though it costs more.<\/div>\n<h3>Which insoluble grade fits your process?<\/h3>\n<table class=\"jf-tb jf-tb-cmp\">\n<thead>\n<tr>\n<th>Grade<\/th>\n<th>Form<\/th>\n<th>Humic acid<\/th>\n<th>Organic matter<\/th>\n<th>Size<\/th>\n<th>Best for<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-powder-60\/\" target=\"_blank\" rel=\"noopener\"><strong>Humic Acid Powder<\/strong><\/a><\/td>\n<td>80\u2013100 mesh powder<\/td>\n<td>40\u201370%<\/td>\n<td>70\u201382%<\/td>\n<td>80\u2013100 mesh<\/td>\n<td>Granulation feed, soil conditioner base, blending<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-crystal\/\" target=\"_blank\" rel=\"noopener\"><strong>Humic Acid Crystal<\/strong><\/a><\/td>\n<td>2\u20134 mm crystal<\/td>\n<td>60% min<\/td>\n<td>\u2014<\/td>\n<td>2\u20134 \/ 1\u20136 mm<\/td>\n<td>Direct soil application, premium organic blends<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-granule\/\" target=\"_blank\" rel=\"noopener\"><strong>Humic Acid Granule<\/strong> <em>(this product)<\/em><\/a><\/td>\n<td>2\u20134 mm round granule<\/td>\n<td>40% min<\/td>\n<td>60% min<\/td>\n<td>2\u20134 mm<\/td>\n<td>Bulk blending, broadcasting, organic fertilizer<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-prills\/\" target=\"_blank\" rel=\"noopener\"><strong>Humic Acid Prills<\/strong><\/a><\/td>\n<td>2\u20134 mm high-hardness<\/td>\n<td>40% min<\/td>\n<td>60% min<\/td>\n<td>2\u20134 mm<\/td>\n<td>Urea\/blending, mechanical spreading, export<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/microbial-humic-granular-fertilizer\/\" target=\"_blank\" rel=\"noopener\"><strong>Microbial Humic Granule<\/strong><\/a><\/td>\n<td>2\u20134 mm inoculated<\/td>\n<td>40% min<\/td>\n<td>60% min<\/td>\n<td>2\u20134 mm<\/td>\n<td>Bio-organic fertilizer, root-zone inoculation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"jf-sub\">All five grades come from the same leonardite seam and carry the same heavy-metal declaration (Pb, As, Hg, Cd, Cr all below detection, GB 18877). They differ in <em>particle form<\/em> and <em>where they fit in your process<\/em> &mdash; not in origin.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"applications\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-apps[data-kb-block=\"kb-adv-headingkb-h2-apps\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Applications &amp; Dosage<\/h2>\n<p class=\"jf-lead\">Built for mechanical handling and dry blending. Not for liquid application:<\/p>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Application<\/th>\n<th>How to use<\/th>\n<th>Rate<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Bulk blend (BB) with NPK<\/td>\n<td>Blend with granular urea, MAP, DAP or MOP. Matched particle size means the humic stays distributed through the blend.<\/td>\n<td>5\u201315% of blend<\/td>\n<\/tr>\n<tr>\n<td>Organic fertilizer base<\/td>\n<td>Use as the humic-bearing granular component in a bagged organic or organic-mineral fertilizer.<\/td>\n<td>20\u201340% of formulation<\/td>\n<\/tr>\n<tr>\n<td>Direct broadcasting<\/td>\n<td>Spread before planting and incorporate. Uniform granules give an even pattern from a standard spinner spreader.<\/td>\n<td>300\u2013750 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Orchard and plantation<\/td>\n<td>Band or broadcast under the canopy. Larger, heavier particles are easier to place accurately than powder.<\/td>\n<td>500 g \u2013 2 kg per plant<\/td>\n<\/tr>\n<tr>\n<td>Pasture and rangeland<\/td>\n<td>Broadcast for soil improvement. Granular form suits aerial or mechanical application where powder would drift badly.<\/td>\n<td>300\u2013600 kg\/ha<\/td>\n<\/tr>\n<tr>\n<td>Turf, golf and landscaping<\/td>\n<td>Apply before turf establishment or as a renovation treatment. Dust-free and easy to spread by hand.<\/td>\n<td>300\u2013500 kg\/ha<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"jf-sec\" id=\"packaging\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-pack[data-kb-block=\"kb-adv-headingkb-h2-pack\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Packaging &amp; Storage<\/h2>\n<table class=\"jf-tb\">\n<thead>\n<tr>\n<th>Pack size<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>20 kg \/ 25 kg<\/td>\n<td>Woven PP bag with inner PE liner \u2014 standard export packing<\/td>\n<\/tr>\n<tr>\n<td>50 kg<\/td>\n<td>Woven PP bag with inner liner \u2014 for high-volume programmes<\/td>\n<\/tr>\n<tr>\n<td>1000\u20131100 kg<\/td>\n<td>Jumbo bag with discharge spout, 4 lifting loops<\/td>\n<\/tr>\n<tr>\n<td>Custom<\/td>\n<td>Private-label printed bag, OEM specification, retail sizes on request<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Storage:<\/strong> Store under cover, on pallets, in a dry ventilated place. The granular form is stable and does not cake under normal warehouse conditions.<\/p>\n<p>The risk with any granule is moisture: sustained wetting will soften and consolidate them into a mass. That does not destroy the humic acid but it makes the material impossible to spread. Keep it dry and it handles for years. Shelf life: 24 months in original, unopened packaging.<\/p>\n<p class=\"jf-sub\">Custom packaging, private-label printing and OEM specifications are available on request. Packaging photos are available in the product gallery.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"cases\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-cases[data-kb-block=\"kb-adv-headingkb-h2-cases\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Successful Cases<\/h2>\n<div class=\"jf-cases\">\n<a class=\"jf-case\" href=\"\/application\/agriculture\/\"><span class=\"jf-case-tag\">Agriculture &middot; Bulk Blending<\/span><\/p>\n<h4>Bulk blending plant, Brazil<\/h4>\n<p>Blends 2\u20134 mm granule at 10% into NPK formulations for the cerrado market. Switched from a fine humic powder after repeated segregation complaints \u2014 the powder settled to the bottom of the bag during transport, so the last of the bag was almost pure humic and the first almost none. The size-matched granule ended the complaint entirely.<\/p>\n<p><span class=\"jf-case-more\">Explore humic acid applications &#8594;<\/span><\/a><br \/>\n<a class=\"jf-case\" href=\"\/application\/agriculture\/\"><span class=\"jf-case-tag\">Agriculture &middot; Bulk Blending<\/span><\/p>\n<h4>Organic fertilizer producer, Vietnam<\/h4>\n<p>Uses the granule at 30% of formulation in a bagged organic fertilizer for coffee and pepper. Chose the granular grade over powder largely for the dust: their packing shed had no extraction, and working with powder eight hours a day was generating complaints from the line crew.<\/p>\n<p><span class=\"jf-case-more\">Explore humic acid applications &#8594;<\/span><\/a>\n<\/div>\n<p class=\"jf-sub\">Full case studies with crop data are published in our application sectors.<\/p>\n<\/div>\n<div class=\"jf-sec\" id=\"faq\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-faq[data-kb-block=\"kb-adv-headingkb-h2-faq\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Frequently Asked Questions<\/h2>\n<div class=\"jf-faq\">\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Why is the humic acid only 40% when the powder is 60%?<\/summary>\n<p>Granulation requires a binder and the process adds a small amount of inert material, so the percentage comes down from the raw 60%. You are not losing humic substance per tonne of applied product in a way that matters for a soil programme \u2014 you are trading a few percentage points of analysis for handling behaviour that often matters more. If peak analysis is your buying criterion and you do not need granules, buy the powder or the crystal.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Will it break down into powder in the bag?<\/summary>\n<p>Not under normal handling. The disc granulation process produces a granule with adequate crush strength for blending, bagging, palletising and spreading. Excessive fines usually point to overly aggressive handling rather than a weak granule \u2014 if you are running a particularly rough line, tell us and we will supply the higher-hardness Prills grade instead.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Can I blend it with urea?<\/summary>\n<p>Yes, and it is a common combination. Urea is hygroscopic and will draw moisture, so blend close to the time of application rather than storing a urea-humic blend for months. Where the blend has to be stored or handled roughly, the Prills grade holds up better.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>Is this product water soluble?<\/summary>\n<p>No. Like all grades in the insoluble range, it is milled and granulated leonardite with no chemical solubilisation. It releases into the soil over time rather than dissolving on contact. For a soluble product, see our potassium humate or potassium fulvate ranges.<\/p>\n<\/details>\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\">\n<summary>What is the difference between this and the Prills grade?<\/summary>\n<p>Both are 2\u20134 mm round granules at 40% humic acid. Prills are produced by spray granulation, which gives a far harder, denser, lower-moisture particle (5% maximum moisture against 30%) and dramatically better crush strength. If the material has to survive aggressive mechanical handling or long storage, Prills are worth the premium. For standard blending and spreading, this granule is the more economical choice.<\/p>\n<\/details>\n<\/div>\n<\/div>\n<div class=\"jf-sec\" id=\"related\">\n<style>.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"]{font-style:normal;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-headingkb-h2-rel[data-kb-block=\"kb-adv-headingkb-h2-rel\"] img.kb-inline-image{width:150px;vertical-align:baseline;}<\/style>\n<h2>Also Available in This Family<\/h2>\n<div class=\"jf-rel-strip\"><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-powder-70\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Insoluble-Humic-Acid-Powder-150x150.webp\" alt=\"Insoluble Humic Acid Powder 70% \u2013 Low-Ash Grade for Oilfield &amp;#038; Industrial Humates\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Powder 70% \u2013 Low-Ash Grade for Oilfield &amp;#038; Industrial Humates<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-powder-50\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Insoluble-Humic-Acid-Powder-150x150.webp\" alt=\"Insoluble Humic Acid Powder 50% \u2013 Humate-Salt Feedstock &amp;#038; General Agriculture\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Powder 50% \u2013 Humate-Salt Feedstock &amp;#038; General Agriculture<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-powder-40\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Insoluble-Humic-Acid-Powder-150x150.webp\" alt=\"Insoluble Humic Acid Powder 40% \u2013 Bulk Soil Amendment &amp;#038; Organic Fertilizer Base\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Powder 40% \u2013 Bulk Soil Amendment &amp;#038; Organic Fertilizer Base<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/microbial-humic-granular-fertilizer\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Microbial-Humic-Granular-Fertilizer-1-150x150.webp\" alt=\"Microbial Humic Granular Fertilizer \u2013 Humic Granule + Bacillus Inoculant\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Microbial Humic Granular Fertilizer \u2013 Humic Granule + Bacillus Inoculant<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-prills\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Low-Moisture-High-Hardness-Humic-acid-round-balls-prills-1-150x150.webp\" alt=\"Insoluble Humic Acid Prills \u2013 2\u20134 mm High-Hardness, 5% Max Moisture\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Prills \u2013 2\u20134 mm High-Hardness, 5% Max Moisture<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-crystal\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Insoluble-Humic-Acid-Irregular-Granule-150x150.webp\" alt=\"Insoluble Humic Acid Crystal \u2013 60% Humic Acid, 2\u20134 mm Irregular Granule\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Crystal \u2013 60% Humic Acid, 2\u20134 mm Irregular Granule<\/span><\/a><a class=\"jf-rel-thumb\" target=\"_blank\" rel=\"noopener\" href=\"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-powder-60\/\"><span class=\"jf-rel-img\"><img src=\"https:\/\/www.jingfenggroup.com\/wp-content\/uploads\/2026\/09\/Insoluble-Humic-Acid-Powder-150x150.webp\" alt=\"Insoluble Humic Acid Powder 60% \u2013 Standard Grade from Leonardite\" loading=\"lazy\" decoding=\"async\"><\/span><span class=\"t\">Insoluble Humic Acid Powder 60% \u2013 Standard Grade from Leonardite<\/span><\/a><\/div>\n<\/div>\n<div class=\"jf-cta\">\n<h3>Need a quotation or a sample?<\/h3>\n<p>Tell us your application, target market and packaging &mdash; we will come back with specification, price and lead time.<\/p>\n<p><a href=\"https:\/\/www.jingfenggroup.com\/contact\">Request a Quote<\/a>\n<\/div>\n<\/div>\n<p><script>\n(function(){\n  function init(){\n    var nav=document.querySelector('.jf-nav');\n    if(!nav){return;}\n    var links=[].slice.call(nav.querySelectorAll('a'));\n    function targetOf(a){\n      var h=a.getAttribute('href');\n      if(h){ if(h.charAt(0)==='#'){ return document.querySelector(h); } }\n      return null;\n    }\n    var secs=links.map(targetOf);\n    var ticking=false;\n    function onScroll(){\n      var navH=nav.offsetHeight;\n      var y=window.pageYOffset+navH+30;\n      var cur=0;\n      for(var i=0;i<secs.length;i++){\n        if(secs[i]){\n          if(secs[i].getBoundingClientRect().top+window.pageYOffset<=y){ cur=i; }\n        }\n      }\n      for(var j=0;j<links.length;j++){ links[j].classList.toggle('jf-active',j===cur); }\n      if(links[cur]){\n        if(nav.scrollWidth>nav.clientWidth){\n          var l=links[cur];\n          nav.scrollTo({left:l.offsetLeft-nav.clientWidth\/2+l.offsetWidth\/2,behavior:'smooth'});\n        }\n      }\n    }\n    links.forEach(function(a){\n      a.addEventListener('click',function(e){\n        var t=targetOf(a);\n        if(!t){return;}\n        e.preventDefault();\n        var navH=nav.offsetHeight;\n        var rect=t.getBoundingClientRect();\n        var top=rect.top+window.pageYOffset-navH-14;\n        if(top<0){top=0;}\n        window.scrollTo({top:top,behavior:'smooth'});\n        links.forEach(function(x){x.classList.remove('jf-active');});\n        a.classList.add('jf-active');\n      });\n    });\n    window.addEventListener('scroll',function(){\n      if(!ticking){ window.requestAnimationFrame(function(){ onScroll(); ticking=false; }); ticking=true; }\n    },{passive:true});\n    window.addEventListener('resize',onScroll);\n    onScroll();\n  }\n  if(document.readyState==='loading'){ document.addEventListener('DOMContentLoaded',init); } else { init(); }\n})();\n<\/script><\/p>\n<p><script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"Insoluble Humic Acid Granule\", \"description\": \"2\u20134 mm disc-granulated insoluble humic acid granule: 40% humic acid, 60% organic matter. For bulk blending and broadcasting. COA per batch.\", \"brand\": {\"@type\": \"Brand\", \"name\": \"JINGFENG\"}, \"material\": \"Leonardite\", \"category\": \"Insoluble humic acid \/ leonardite raw material\", \"additionalProperty\": [{\"@type\": \"PropertyValue\", \"name\": \"Fulvic acid (dry basis)\", \"value\": \"\"}, {\"@type\": \"PropertyValue\", \"name\": \"Humic acid (dry basis)\", \"value\": \"40.0% min\"}, {\"@type\": \"PropertyValue\", \"name\": \"Potassium as K2O (dry basis)\", \"value\": \"\"}, {\"@type\": \"PropertyValue\", \"name\": \"Water solubility\", \"value\": \"\"}, {\"@type\": \"PropertyValue\", \"name\": \"pH\", \"value\": \"5.0 \u2013 7.0\"}, {\"@type\": \"PropertyValue\", \"name\": \"Form \/ particle size\", \"value\": \"Black round granule\"}], \"url\": \"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-granule\/\", \"offers\": {\"@type\": \"AggregateOffer\", \"priceCurrency\": \"USD\", \"availability\": \"https:\/\/schema.org\/InStock\", \"url\": \"https:\/\/www.jingfenggroup.com\/insoluble-humic-acid\/insoluble-humic-acid-granule\/\"}, \"sku\": \"JFHA-HA-G\"}<\/script><br \/>\n<script type=\"application\/ld+json\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Why is the humic acid only 40% when the powder is 60%?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Granulation requires a binder and the process adds a small amount of inert material, so the percentage comes down from the raw 60%. You are not losing humic substance per tonne of applied product in a way that matters for a soil programme \u2014 you are trading a few percentage points of analysis for handling behaviour that often matters more. If peak analysis is your buying criterion and you do not need granules, buy the powder or the crystal.\"}}, {\"@type\": \"Question\", \"name\": \"Will it break down into powder in the bag?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Not under normal handling. The disc granulation process produces a granule with adequate crush strength for blending, bagging, palletising and spreading. Excessive fines usually point to overly aggressive handling rather than a weak granule \u2014 if you are running a particularly rough line, tell us and we will supply the higher-hardness Prills grade instead.\"}}, {\"@type\": \"Question\", \"name\": \"Can I blend it with urea?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, and it is a common combination. Urea is hygroscopic and will draw moisture, so blend close to the time of application rather than storing a urea-humic blend for months. Where the blend has to be stored or handled roughly, the Prills grade holds up better.\"}}, {\"@type\": \"Question\", \"name\": \"Is this product water soluble?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Like all grades in the insoluble range, it is milled and granulated leonardite with no chemical solubilisation. It releases into the soil over time rather than dissolving on contact. For a soluble product, see our potassium humate or potassium fulvate ranges.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between this and the Prills grade?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both are 2\u20134 mm round granules at 40% humic acid. Prills are produced by spray granulation, which gives a far harder, denser, lower-moisture particle (5% maximum moisture against 30%) and dramatically better crush strength. If the material has to survive aggressive mechanical handling or long storage, Prills are worth the premium. For standard blending and spreading, this granule is the more economical choice.\"}}]}<\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>2\u20134 mm disc-granulated insoluble humic acid granule: 40% humic acid, 60% organic matter. For bulk blending and broadcasting. 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