{"id":6264,"date":"2026-03-22T18:02:44","date_gmt":"2026-03-22T10:02:44","guid":{"rendered":"https:\/\/www.watercarechem.com\/?post_type=product&#038;p=6264"},"modified":"2026-03-22T19:07:21","modified_gmt":"2026-03-22T11:07:21","slug":"hpma-antiscalant-hydrolyzed-polymaleic-anhydride","status":"publish","type":"product","link":"https:\/\/www.watercarechem.com\/it\/prodotto\/hpma-antiscalant-hydrolyzed-polymaleic-anhydride\/","title":{"rendered":"High-performance HPMA Antiscalant (Hydrolyzed Polymaleic Anhydride) CAS 26099-09-2"},"content":{"rendered":"<p><strong>HPMA Antiscalant (Hydrolyzed Polymaleic Anhydride)<\/strong> is a high-performance, low molecular weight polymeride (average molecular weight 400-800) renowned for its exceptional chemical and thermal stability. In industrial water treatment, HPMA stands out for its ability to operate in extreme conditions where other antiscalants fail, specifically in high-alkalinity and high-temperature environments.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6265\" src=\"https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=300%2C168&#038;ssl=1\" alt=\"HPMA Antiscalant (Hydrolyzed Polymaleic Anhydride) Structure Formula\" width=\"300\" height=\"168\" title=\"\" srcset=\"https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=300%2C168&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=1024%2C572&amp;ssl=1 1024w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=768%2C429&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=18%2C10&amp;ssl=1 18w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=285%2C159&amp;ssl=1 285w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=660%2C369&amp;ssl=1 660w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?resize=150%2C84&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/03\/Structural-hormula.jpg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2>Core Advantages of HPMA<\/h2>\n<ul>\n<li><strong>Extreme Temperature Tolerance:<\/strong> Maintains high scale inhibition efficiency even at 300\u00b0 C for up to 100 hours, with a decomposition temperature exceeding 330\u00b0C<\/li>\n<li><strong>Threshold Effect:<\/strong> Exhibits a significant threshold effect under high pH (8.3) and high temperature (350\u00b0C) levels.<\/li>\n<li><strong>Versatile Scale Control:<\/strong> Excellent performance against Calcium Carbonate (CaCO3) and Calcium Sulfate (CaSO4) scales.<\/li>\n<li><strong>Safety &amp; Solubility:<\/strong> Completely soluble in water, non-toxic, and environmentally manageable.<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<table class=\"wp-block-table is-style-stripes\" style=\"height: 180px;\" width=\"869\">\n<thead>\n<tr>\n<th>Parameter<\/th>\n<th>Standard Specification<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Aspetto<\/td>\n<td>Pale yellow to umber transparent liquid<\/td>\n<\/tr>\n<tr>\n<td>Solid Content, %<\/td>\n<td>48.0 min<\/td>\n<\/tr>\n<tr>\n<td>Bromine Value, mg\/g<\/td>\n<td>50.0 max<\/td>\n<\/tr>\n<tr>\n<td>pH (soluzione acquosa 1%)<\/td>\n<td>2.0 &#8211; 3.0<\/td>\n<\/tr>\n<tr>\n<td>Density (20\u2103), g\/cm\u00b3<\/td>\n<td>1.18 min<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Industry Applications<\/h2>\n<p>Due to its robust performance, HPMA is widely utilized across various heavy industries:<\/p>\n<ul>\n<li><strong>Desalination:<\/strong> Flash vaporization equipment and distillation plants.<\/li>\n<li><strong>Energy &amp; Boilers:<\/strong> Low-pressure boilers, steam locomotives, and industrial circulating cool water systems.<\/li>\n<li><strong>Oil &amp; Gas:<\/strong> Crude oil evaporation, petroleum pipelines, and oilfield water injection\/fill water.<\/li>\n<li><strong>Construction:<\/strong> High-performance additives for cement systems.<\/li>\n<\/ul>\n<h2>Synergy &amp; Usage<\/h2>\n<p>HPMA is most effective when used as part of a synergistic blend. When combined with <strong>organic phosphonates<\/strong> (at a typical dosage of 1-15ppm), it provides superior scale inhibition (up to 98%) compared to acrylate-based polymers. For carbon steel protection, HPMA shows excellent corrosion inhibition when formulated with <strong>zinc salts<\/strong>.<\/p>\n<h2>Handling, Package &amp; Storage<\/h2>\n<ul>\n<li><strong>Packaging:<\/strong> Available in 25L Drum, 200L Drum, 1000L IBC, and ISO Tanks.<\/li>\n<li><strong>Stoccaggio:<\/strong> Store for up to 10 months in a shady, dry place.<\/li>\n<li><strong>Safety:<\/strong> Classified as <strong>Hazard Class 8 (UN 3265)<\/strong>. Corrosive material. In case of contact with eyes or skin, flush immediately with plenty of clean water.<\/li>\n<\/ul>\n<div class=\"wp-block-group has-light-gray-background-color has-background\">\n<h3>Interested in HPMA for your Water System?<\/h3>\n<p>WaterCareChem specializes in high-purity polycarboxylic antiscalants. Contact our technical team for custom dosage recommendations or a competitive quote.<\/p>\n<\/div>\n<p>&nbsp;<\/p>\n<div style=\"text-align: center; margin-top: 30px;\"><a style=\"background-color: #28a745; color: #fff; padding: 15px 30px; text-decoration: none; border-radius: 5px; font-weight: bold; font-size: 18px;\" href=\"https:\/\/www.watercarechem.com\/it\/contact-us\/\" target=\"_blank\">Request a Quote &amp; Sample for HPMA<\/a><\/div>\n<p style=\"text-align: center; color: #777; font-size: 12px; margin-top: 10px;\">(z)-2-butenedioic acid homopolymer; hydrolyzed polymaleic anhydride; 2-Butenedioic acid (2Z)-, homopolymer; Hydrolized polymaleic anhydride; HoMopolyMer of Maleic Acid(HPMA); Poly(maleic acid) HPMA; 48% or 50% Polymaleic acid HPMA.<\/p>","protected":false},"excerpt":{"rendered":"<p><b data-path-to-node=\"7,0\" data-index-in-node=\"0\">High-Temperature <a href=\"https:\/\/www.watercarechem.com\/it\/our-factories\/corrosion-and-scale-inhibitor\/\" target=\"_blank\" rel=\"noopener\">Scale Inhibitor<\/a>.<\/b> <b data-path-to-node=\"7,0\" data-index-in-node=\"47\">HPMA (Hydrolyzed Polymaleic Anhydride)<\/b> is a low molecular weight polymer (<span class=\"math-inline\" data-math=\"400-800\" data-index-in-node=\"121\">400-800 <\/span>MW) designed for the most demanding thermal environments. Unlike standard polymers, HPMA maintains exceptional scale inhibition for up to 100 hours at <span class=\"math-inline\" data-math=\"300^\\circ C\" data-index-in-node=\"280\">300\u00b0 C<\/span>.<\/p>","protected":false},"featured_media":6263,"comment_status":"open","ping_status":"closed","template":"","meta":{"_crdt_document":"","_lmt_disableupdate":"no","_lmt_disable":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"product_brand":[],"product_cat":[836],"product_tag":[346,1081,1082,1083,1084,1085,1086],"class_list":{"0":"post-6264","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-polycarboxylic-antiscalants-dispersants","7":"product_tag-boiler-water-treatment","8":"product_tag-hpma-antiscalant","9":"product_tag-cas-26099-09-2","10":"product_tag-high-temperature-scale-inhibitor","11":"product_tag-desalination-plant-chemicals","12":"product_tag-polymaleic-acid","13":"product_tag-calcium-carbonate-inhibitor","14":"pa_cas-no-26099-09-2","16":"first","17":"instock","18":"taxable","19":"shipping-taxable","20":"product-type-simple"},"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product\/6264","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/comments?post=6264"}],"version-history":[{"count":4,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product\/6264\/revisions"}],"predecessor-version":[{"id":6269,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product\/6264\/revisions\/6269"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/media\/6263"}],"wp:attachment":[{"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/media?parent=6264"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product_brand?post=6264"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product_cat?post=6264"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.watercarechem.com\/it\/wp-json\/wp\/v2\/product_tag?post=6264"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}