{"id":2006,"date":"2026-07-21T14:17:46","date_gmt":"2026-07-21T14:17:46","guid":{"rendered":"https:\/\/saphydrogels.com\/?p=2006"},"modified":"2026-07-22T12:19:44","modified_gmt":"2026-07-22T12:19:44","slug":"understanding-potassium-polyacrylate-composition-uses-and-safety","status":"publish","type":"post","link":"https:\/\/saphydrogels.com\/fr\/understanding-potassium-polyacrylate-composition-uses-and-safety\/","title":{"rendered":"Comprendre le polyacrylate de potassium : Composition, utilisations et s\u00e9curit\u00e9"},"content":{"rendered":"<h2>Qu'est-ce que le polyacrylate de potassium ?<\/h2>\n<p>Le polyacrylate de potassium est un polym\u00e8re superabsorbant (SAP) qui peut absorber et retenir de grandes quantit\u00e9s d'eau par rapport \u00e0 sa propre masse. Il est couramment utilis\u00e9 dans l'agriculture, l'horticulture et diverses applications industrielles en raison de ses excellentes propri\u00e9t\u00e9s de r\u00e9tention d'eau.<\/p>\n<p>Composition chimique :<\/p>\n<ul>\n<li>Formule chimique : (C3H3KO2)n<\/li>\n<li>Structure : Il s'agit d'un r\u00e9seau r\u00e9ticul\u00e9 de sel de potassium d'acide polyacrylique.<\/li>\n<li><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-2359 aligncenter\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-300x300.jpg\" alt=\"\" width=\"438\" height=\"438\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-300x300.jpg 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-1024x1024.jpg 1024w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-150x150.jpg 150w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-768x768.jpg 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-1536x1536.jpg 1536w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-2048x2048.jpg 2048w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/08\/Water-retaining-agent-for-agriculture-1-12x12.jpg 12w\" sizes=\"(max-width: 438px) 100vw, 438px\" \/><\/li>\n<\/ul>\n<h2>Processus de fabrication du polyacrylate de potassium<\/h2>\n<p>La production de polyacrylate de potassium comprend g\u00e9n\u00e9ralement les \u00e9tapes suivantes :<\/p>\n<ol>\n<li>Polym\u00e9risation : L'acide acrylique est polym\u00e9ris\u00e9 en pr\u00e9sence d'un agent r\u00e9ticulant.<\/li>\n<li>Neutralisation : L'acide polyacrylique est neutralis\u00e9 avec de l'hydroxyde de potassium pour former du polyacrylate de potassium.<\/li>\n<li>S\u00e9chage et broyage : Le gel obtenu est s\u00e9ch\u00e9 et broy\u00e9 en fines particules ou cristaux.<\/li>\n<\/ol>\n<table>\n<thead>\n<tr>\n<th>\u00c9tape<\/th>\n<th>Description<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Polym\u00e9risation<\/td>\n<td>Polym\u00e9risation de l'acide acrylique avec un agent r\u00e9ticulant<\/td>\n<\/tr>\n<tr>\n<td>Neutralisation<\/td>\n<td>Acide polyacrylique neutralis\u00e9 avec de l'hydroxyde de potassium<\/td>\n<\/tr>\n<tr>\n<td>S\u00e9chage<\/td>\n<td>Le gel est s\u00e9ch\u00e9 et broy\u00e9 en fines particules ou cristaux.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Applications du polyacrylate de potassium<\/h2>\n<h3>Utilisations agricoles<\/h3>\n<ol>\n<li>R\u00e9tention d'eau : Les cristaux de polyacrylate de potassium peuvent absorber et retenir l'eau jusqu'\u00e0 500 fois leur poids. Ils sont donc id\u00e9aux pour l'agriculture afin d'am\u00e9liorer la r\u00e9tention d'eau dans le sol et de r\u00e9duire la fr\u00e9quence d'irrigation.<\/li>\n<li>R\u00e9sistance \u00e0 la s\u00e9cheresse : Il aide les plantes \u00e0 r\u00e9sister aux p\u00e9riodes de s\u00e9cheresse en leur apportant une humidit\u00e9 constante.<\/li>\n<li>R\u00e9tention des nutriments : Il peut \u00e9galement aider \u00e0 retenir les \u00e9l\u00e9ments nutritifs dans le sol, garantissant ainsi leur disponibilit\u00e9 pour les plantes sur une plus longue p\u00e9riode.<\/li>\n<\/ol>\n<h3>Utilisations industrielles et autres<\/h3>\n<ul>\n<li>Horticulture : Utilis\u00e9 dans les terreaux et les plates-bandes pour maintenir le niveau d'humidit\u00e9.<\/li>\n<li>Solidification des d\u00e9chets : Aide \u00e0 solidifier les d\u00e9chets liquides pour une \u00e9limination plus s\u00fbre.<\/li>\n<li>Applications m\u00e9dicales : Utilis\u00e9 dans les pansements et autres produits absorbants.<\/li>\n<\/ul>\n<h2>S\u00e9curit\u00e9 et impact sur l'environnement<\/h2>\n<h3>Biod\u00e9gradabilit\u00e9<\/h3>\n<p>Le polyacrylate de potassium n'est pas consid\u00e9r\u00e9 comme biod\u00e9gradable. Il reste dans l'environnement pendant une longue p\u00e9riode, ce qui soul\u00e8ve des inqui\u00e9tudes quant \u00e0 son impact \u00e0 long terme sur les sols et les syst\u00e8mes d'eau.<\/p>\n<h3>S\u00e9curit\u00e9<\/h3>\n<p>Le polyacrylate de potassium est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme s\u00fbr pour une utilisation dans l'agriculture et l'horticulture. Cependant, certaines pr\u00e9cautions de s\u00e9curit\u00e9 doivent \u00eatre prises :<\/p>\n<ol>\n<li>Manipulation : \u00c9viter l'inhalation de poussi\u00e8res et le contact prolong\u00e9 avec la peau.<\/li>\n<li>\u00c9limination : \u00c9liminer conform\u00e9ment aux r\u00e9glementations locales afin d'\u00e9viter toute contamination de l'environnement.<\/li>\n<\/ol>\n<h3>Toxicit\u00e9<\/h3>\n<p>Des \u00e9tudes ont montr\u00e9 que le polyacrylate de potassium n'est pas toxique pour les humains et les animaux lorsqu'il est utilis\u00e9 de mani\u00e8re appropri\u00e9e. Toutefois, l'ingestion ou l'inhalation de grandes quantit\u00e9s peut provoquer des irritations ou des probl\u00e8mes digestifs.<\/p>\n<h2>Polyacrylate de potassium vs. polyacrylate de sodium<\/h2>\n<figure id=\"attachment_1939\" aria-describedby=\"caption-attachment-1939\" style=\"width: 460px\" class=\"wp-caption aligncenter\"><img decoding=\"async\" class=\"wp-image-1939\" title=\"GELSAP Hydrogels et neige artificielle\" src=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-300x300.jpg\" alt=\"GELSAP Hydrogels et neige artificielle\" width=\"460\" height=\"460\" srcset=\"https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-300x300.jpg 300w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-1024x1024.jpg 1024w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-150x150.jpg 150w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-768x768.jpg 768w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-1536x1536.jpg 1536w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-2048x2048.jpg 2048w, https:\/\/saphydrogels.com\/wp-content\/uploads\/2024\/07\/GELSAP-Hydrogels-and-artificial-snow-12x12.jpg 12w\" sizes=\"(max-width: 460px) 100vw, 460px\" \/><figcaption id=\"caption-attachment-1939\" class=\"wp-caption-text\">GELSAP Hydrogels et neige artificielle<\/figcaption><\/figure>\n<p>Le polyacrylate de potassium et le polyacrylate de sodium sont tous deux des polym\u00e8res superabsorbants aux applications similaires. Toutefois, le polyacrylate de potassium est pr\u00e9f\u00e9r\u00e9 dans l'agriculture en raison de sa teneur en potassium, qui est b\u00e9n\u00e9fique pour la croissance des plantes.<\/p>\n<table>\n<thead>\n<tr>\n<th>Propri\u00e9t\u00e9<\/th>\n<th><a href=\"https:\/\/saphydrogels.com\/fr\/polyacrylate-de-sodium\/\">Polyacrylate de potassium<\/a><\/th>\n<th><a href=\"https:\/\/saphydrogels.com\/fr\/polyacrylate-de-sodium\/\">Polyacrylate de sodium<\/a><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Absorption<\/td>\n<td>Haut<\/td>\n<td>Tr\u00e8s \u00e9lev\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Usage agricole<\/td>\n<td>Privil\u00e9gi\u00e9 (avantages li\u00e9s au potassium)<\/td>\n<td>Moins pr\u00e9f\u00e9r\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>Impact sur l'environnement<\/td>\n<td>Biod\u00e9gradable<\/td>\n<td>Non biod\u00e9gradable<\/td>\n<\/tr>\n<tr>\n<td>S\u00e9curit\u00e9<\/td>\n<td>G\u00e9n\u00e9ralement s\u00fbr avec des pr\u00e9cautions<\/td>\n<td>G\u00e9n\u00e9ralement s\u00fbr avec des pr\u00e9cautions<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Inconv\u00e9nients du polyacrylate de potassium<\/h2>\n<ol>\n<li>Co\u00fbt : il peut \u00eatre relativement cher par rapport \u00e0 d'autres amendements du sol.<\/li>\n<li>Pr\u00e9occupations environnementales : La non-biod\u00e9gradabilit\u00e9 soul\u00e8ve des inqui\u00e9tudes quant \u00e0 l'impact environnemental \u00e0 long terme.<\/li>\n<li>Probl\u00e8mes de manipulation : N\u00e9cessite une manipulation prudente pour \u00e9viter l'inhalation de poussi\u00e8res et l'irritation de la peau.<\/li>\n<\/ol>\n<h2>March\u00e9 et disponibilit\u00e9<\/h2>\n<p>Le polyacrylate de potassium est largement disponible \u00e0 l'achat sous diff\u00e9rentes formes, notamment sous forme de cristaux et d'hydrogels. Le prix varie en fonction de la puret\u00e9, de la forme et de la quantit\u00e9.<\/p>\n<h3>Fourchette de prix<\/h3>\n<table>\n<thead>\n<tr>\n<th>Formulaire<\/th>\n<th>Prix (par kg)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Cristaux<\/td>\n<td>$3 \u2013 $8<\/td>\n<\/tr>\n<tr>\n<td>Hydrogel<\/td>\n<td>$3 \u2013 $5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>O\u00f9 acheter<\/h3>\n<p>Le polyacrylate de potassium peut \u00eatre achet\u00e9 dans les magasins de fournitures agricoles, sur les march\u00e9s en ligne et aupr\u00e8s des fournisseurs de produits chimiques sp\u00e9cialis\u00e9s.<\/p>\n<p class=\"PDq2pG_selectionAnchorContainer\" data-start=\"76\" data-end=\"115\"><strong data-start=\"76\" data-end=\"115\">Q1 : Qu'est-ce que le polyacrylate de potassium ?<\/strong><\/p>\n<p data-start=\"117\" data-end=\"381\"><strong data-start=\"117\" data-end=\"124\">A1 :<\/strong> Le polyacrylate de potassium est un type de polym\u00e8re superabsorbant (SAP) con\u00e7u pour absorber et retenir de grandes quantit\u00e9s d'eau. Contrairement aux SAP \u00e0 base de sodium, il est principalement utilis\u00e9 en agriculture, car il permet de stocker l'eau et de la restituer progressivement aux racines des plantes au fil du temps.<\/p>\n<hr data-start=\"383\" data-end=\"386\" \/>\n<p data-start=\"388\" data-end=\"433\"><strong data-start=\"388\" data-end=\"433\">Q2 : Comment fonctionne le polyacrylate de potassium ?<\/strong><\/p>\n<p data-start=\"435\" data-end=\"713\"><strong data-start=\"435\" data-end=\"442\">A2 :<\/strong> Son fonctionnement repose sur un r\u00e9seau de polym\u00e8res r\u00e9ticul\u00e9s qui gonfle au contact de l'eau. Le mat\u00e9riau retient les mol\u00e9cules d'eau au sein de sa structure, formant ainsi un gel. L'eau ainsi stock\u00e9e est ensuite lib\u00e9r\u00e9e progressivement lorsque le sol environnant s'ass\u00e8che, ce qui contribue \u00e0 maintenir l'humidit\u00e9 du sol.<\/p>\n<hr data-start=\"715\" data-end=\"718\" \/>\n<p data-start=\"720\" data-end=\"777\"><strong data-start=\"720\" data-end=\"777\">Q3 : Quelles sont les principales utilisations du polyacrylate de potassium ?<\/strong><\/p>\n<p data-start=\"779\" data-end=\"1010\"><strong data-start=\"779\" data-end=\"786\">A3 :<\/strong> Il est principalement utilis\u00e9 dans l'agriculture, l'horticulture et l'am\u00e9nagement paysager. Parmi ses applications courantes, on peut citer la r\u00e9tention de l'humidit\u00e9 du sol, l'am\u00e9lioration de la r\u00e9sistance \u00e0 la s\u00e9cheresse, l'enrobage des semences et la r\u00e9duction de la fr\u00e9quence d'irrigation dans l'agriculture et le jardinage.<\/p>\n<hr data-start=\"1012\" data-end=\"1015\" \/>\n<p data-start=\"1017\" data-end=\"1076\"><strong data-start=\"1017\" data-end=\"1076\">Q4 : Le polyacrylate de potassium est-il sans danger pour le sol et les plantes ?<\/strong><\/p>\n<p data-start=\"1078\" data-end=\"1340\"><strong data-start=\"1078\" data-end=\"1085\">A4 :<\/strong> Oui, il est g\u00e9n\u00e9ralement consid\u00e9r\u00e9 comme sans danger pour le sol et les plantes lorsqu'il est utilis\u00e9 correctement. Il est non toxique et contribue \u00e0 am\u00e9liorer l'efficacit\u00e9 hydrique du sol. Toutefois, une utilisation excessive peut alt\u00e9rer la structure du sol ; il convient donc de l'appliquer conform\u00e9ment aux recommandations agricoles.<\/p>\n<hr data-start=\"1342\" data-end=\"1345\" \/>\n<p data-start=\"1347\" data-end=\"1405\"><strong data-start=\"1347\" data-end=\"1405\">Q5 : Quelle est la dur\u00e9e de vie du polyacrylate de potassium dans le sol ?<\/strong><\/p>\n<p data-start=\"1407\" data-end=\"1663\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"1407\" data-end=\"1414\">A5 :<\/strong> Le polyacrylate de potassium peut persister plusieurs ann\u00e9es dans le sol, g\u00e9n\u00e9ralement entre 3 et 5 ans, en fonction des conditions environnementales telles que la temp\u00e9rature, l'exposition aux rayons UV et l'activit\u00e9 microbienne. Avec le temps, il se d\u00e9compose progressivement et perd son efficacit\u00e9 en mati\u00e8re d'absorption d'eau.<\/p>\n<h2>Conclusion<\/h2>\n<p>Le polyacrylate de potassium est un polym\u00e8re superabsorbant polyvalent et efficace qui trouve d'importantes applications dans l'agriculture et l'horticulture. Bien qu'il offre de nombreux avantages en mati\u00e8re de r\u00e9tention d'eau et de r\u00e9sistance \u00e0 la s\u00e9cheresse, les consid\u00e9rations relatives au co\u00fbt, \u00e0 la manipulation et \u00e0 l'impact sur l'environnement sont essentielles pour son utilisation durable.<\/p>\n<hr \/>\n<p>Mots-cl\u00e9s index\u00e9s :<\/p>\n<ul>\n<li>Polyacrylate de potassium : Introduction, applications, s\u00e9curit\u00e9 et march\u00e9.<\/li>\n<li>Comment fabriquer le polyacrylate de potassium : Processus de fabrication et \u00e9tapes.<\/li>\n<li>Polyacrylate de potassium Agriculture : Avantages et utilisations dans l'agriculture.<\/li>\n<li>Cristaux de polyacrylate de potassium : Forme et application.<\/li>\n<li>Inconv\u00e9nients du polyacrylate de potassium : Co\u00fbts et pr\u00e9occupations environnementales.<\/li>\n<li>Polyacrylate de potassium pour les plantes : Utilisation et avantages.<\/li>\n<li>Polyacrylate de potassium \u00e0 vendre : Disponibilit\u00e9 et prix.<\/li>\n<li>Hydrogel de polyacrylate de potassium : forme et utilisation.<\/li>\n<li>Polym\u00e8re de polyacrylate de potassium : Composition chimique et structure.<\/li>\n<li>Prix du polyacrylate de potassium : Fourchette de prix du march\u00e9.<\/li>\n<li>Polyacrylate de potassium Utilisations : Diverses applications.<\/li>\n<li>Polyacrylate de potassium et polyacrylate de sodium : Comparaison et utilisations.<\/li>\n<li>Polyacrylate de sodium ou polyacrylate de potassium : Diff\u00e9rences et pr\u00e9f\u00e9rences.<\/li>\n<li>Qu'est-ce que le polyacrylate de potassium ? D\u00e9finition et propri\u00e9t\u00e9s.<\/li>\n<li>Polyacrylate de Potassium : Terme fran\u00e7ais d\u00e9signant le polyacrylate de potassium.<\/li>\n<li>Processus de fabrication du polyacrylate de potassium : Etapes et description.<\/li>\n<li>Polyacrylate de potassium MSDS : Material Safety Data Sheet (fiche de donn\u00e9es de s\u00e9curit\u00e9).<\/li>\n<li>Toxicit\u00e9 du polyacrylate de potassium : S\u00e9curit\u00e9 et impact sur la sant\u00e9.<\/li>\n<\/ul>\n<p>Si vous avez des questions sp\u00e9cifiques ou si vous avez besoin d'informations plus d\u00e9taill\u00e9es, n'h\u00e9sitez pas \u00e0 les poser !<\/p>","protected":false},"excerpt":{"rendered":"<p>What is Potassium Polyacrylate? Potassium polyacrylate is a superabsorbent polymer (SAP) that can absorb and retain large amounts of water [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1939,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[331,409,522,523,524,549,253],"class_list":["post-2006","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-applications-of-potassium-polyacrylate","tag-potassium-polyacrylate-crystals","tag-potassium-polyacrylate-factory","tag-potassium-polyacrylate-manufacturer","tag-potassium-polyacrylate-supplier","tag-potassium-polyacrylate-wholesale","tag-what-is-potassium-polyacrylate"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"What is Potassium Polyacrylate? Potassium polyacrylate is a superabsorbent polymer (SAP) that can absorb and retain large amounts of water relative to its own mass. It is commonly used in agriculture, horticulture, and various industrial applications due to its excellent water retention properties. 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Potassium polyacrylate is a superabsorbent polymer (SAP) that can absorb and retain large amounts of water relative to its own mass. It is commonly used in agriculture, horticulture, and various industrial applications due to its excellent water retention properties. 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Potassium polyacrylate is a superabsorbent polymer (SAP) that can absorb and retain large amounts of water relative to its own mass. It is commonly used in agriculture, horticulture, and various industrial applications due to its excellent water retention properties. 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