{"id":6281,"date":"2026-04-24T12:38:57","date_gmt":"2026-04-24T04:38:57","guid":{"rendered":"https:\/\/www.watercarechem.com\/?post_type=product&#038;p=6281"},"modified":"2026-04-24T12:38:57","modified_gmt":"2026-04-24T04:38:57","slug":"hpma-scale-inhibitor","status":"publish","type":"product","link":"https:\/\/www.watercarechem.com\/pt\/produto\/hpma-scale-inhibitor\/","title":{"rendered":"High-Performance HPMA (Hydrolyzed Polymaleic Anhydride) | CAS 26099-09-2"},"content":{"rendered":"<h2 data-path-to-node=\"10\">High-Performance Hydrolyzed Polymaleic Anhydride (HPMA) for Extreme Conditions<\/h2>\n<p data-path-to-node=\"11\"><b data-path-to-node=\"11\" data-index-in-node=\"0\">HPMA Scale Inhibitor<\/b>\u00a0is a versatile, low-toxicity water treatment polymer designed to outperform traditional acrylates in high-stress environments. With an average molecular weight of 400\u2013800, it provides a powerful &#8220;threshold effect,&#8221; effectively preventing scale formation even under extreme thermal loads and alkaline conditions.<\/p>\n<h2 data-path-to-node=\"12\">Top Features &amp; Technical Advantages<\/h2>\n<ul>\n<li data-path-to-node=\"13,0,0\"><b data-path-to-node=\"13,0,0\" data-index-in-node=\"0\">Extreme Heat Tolerance:<\/b> Maintains structural integrity at temperatures where other polymers fail (up to 300\u00b0C for 100+ hours).<\/li>\n<li data-path-to-node=\"13,1,0\"><b data-path-to-node=\"13,1,0\" data-index-in-node=\"0\">Alkaline Performance:<\/b> Optimized for systems with high pH levels (up to 8.3), reducing the need for constant acid pH adjustment.<\/li>\n<li data-path-to-node=\"13,2,0\"><b data-path-to-node=\"13,2,0\" data-index-in-node=\"0\">Scale Stripping Power:<\/b> Not only does it inhibit new scale, but it also helps strip existing carbonate and phosphate deposits.<\/li>\n<li data-path-to-node=\"13,3,0\"><b data-path-to-node=\"13,3,0\" data-index-in-node=\"0\">Synergistic Formulation:<\/b> When blended with zinc salts or organic phosphonates (at 1-15ppm), it dramatically improves corrosion inhibition for carbon steel.<\/li>\n<li data-path-to-node=\"13,4,0\"><b data-path-to-node=\"13,4,0\" data-index-in-node=\"0\">Eco-Friendly Choice:<\/b> Low toxicity and high chemical stability ensure safe handling and long-term storage.<\/li>\n<\/ul>\n<h2 data-path-to-node=\"15\">Technical Specifications<\/h2>\n<table>\n<tbody>\n<tr>\n<td>\n<p><strong>Parameter<\/strong><\/p>\n<\/td>\n<td colspan=\"2\" width=\"417\">\n<p><strong>Standard Value<\/strong><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Apar\u00eancia<\/strong><\/p>\n<\/td>\n<td>\n<p>Pale yellow to umber transparent liquid<\/p>\n<\/td>\n<td width=\"179\">\n<p>Brownish-red transparent liquid<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Solid Content (%)<\/strong><\/p>\n<\/td>\n<td>\n<p>\u226548.0<\/p>\n<\/td>\n<td width=\"179\">\n<p>\u2265 50.0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Bromine Value (mg\/g)<\/strong><\/p>\n<\/td>\n<td>\n<p>\u2264 50.0<\/p>\n<\/td>\n<td width=\"179\">\n<p>\u2264 50.0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>pH (solu\u00e7\u00e3o aquosa 1%)<\/strong><\/p>\n<\/td>\n<td>\n<p>2.0 &#8211; 3.0<\/p>\n<\/td>\n<td width=\"179\">\n<p>2.0-3.0<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Density (20<\/strong><strong>\u2103, g\/cm3)<\/strong><\/p>\n<\/td>\n<td>\n<p>\u22651.18<\/p>\n<\/td>\n<td width=\"179\">\n<p>1.22-1.25<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p><strong>Molecular Formula<\/strong><\/p>\n<\/td>\n<td colspan=\"2\" width=\"417\">\n<p>(C4H4O4)n<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 data-path-to-node=\"18\">Industrial Applications &amp; Usage<\/h2>\n<p data-path-to-node=\"19\">HPMA is a multi-sector solution, widely utilized in:<\/p>\n<ul>\n<li data-path-to-node=\"20,0,0\"><b data-path-to-node=\"20,0,0\" data-index-in-node=\"0\">Desalination Plants:<\/b> Ideal for flash vaporization equipment due to its high-temperature threshold.<\/li>\n<li data-path-to-node=\"20,1,0\"><b data-path-to-node=\"20,1,0\" data-index-in-node=\"0\">Oilfield Operations:<\/b> Used in crude oil dewatering, petroleum pipelines, and oilfield fill water.<\/li>\n<li data-path-to-node=\"20,2,0\"><b data-path-to-node=\"20,2,0\" data-index-in-node=\"0\">Steam Locomotives &amp; Boilers:<\/b> Prevents scale buildup in low-pressure boilers and steam systems.<\/li>\n<li data-path-to-node=\"20,3,0\"><b data-path-to-node=\"20,3,0\" data-index-in-node=\"0\">Concrete Industry:<\/b> Functions as a high-efficiency additive for cement to improve dispersion.<\/li>\n<li data-path-to-node=\"20,4,0\"><b data-path-to-node=\"20,4,0\" data-index-in-node=\"0\">Reverse Osmosis (RO):<\/b> Acts as a robust dispersant and antiscalant in membrane systems.<\/li>\n<\/ul>\n<h2 data-path-to-node=\"22\">Why HPMA is a Superior Alternative to Acrylates<\/h2>\n<p data-path-to-node=\"23\">For many engineers, <b data-path-to-node=\"23\" data-index-in-node=\"20\">HPMA<\/b> is a direct upgrade over standard polyacrylic acid (PAA) or other acrylate-based polymers due to its unique molecular structure. It provides:<\/p>\n<ul>\n<li data-path-to-node=\"6,0,0\"><b data-path-to-node=\"6,0,0\" data-index-in-node=\"0\">Better Calcium Tolerance:<\/b> HPMA can handle much higher concentrations of calcium ions without precipitating, which is a common failure point for simple acrylates.<\/li>\n<li data-path-to-node=\"6,1,0\"><b data-path-to-node=\"6,1,0\" data-index-in-node=\"0\">Higher Thermal Stability:<\/b> While most acrylates begin to degrade around 200\u00b0C, HPMA remains stable up to <b data-path-to-node=\"6,1,0\" data-index-in-node=\"104\">330\u00b0C &#8211; 350\u00b0C<\/b>, making it indispensable for high-pressure boilers.<\/li>\n<li data-path-to-node=\"6,2,0\"><b data-path-to-node=\"6,2,0\" data-index-in-node=\"0\">Longer Effective Time:<\/b> Provides active scale protection for up to <b data-path-to-node=\"6,2,0\" data-index-in-node=\"66\">100 hours<\/b>, significantly longer than the short-term inhibition offered by many acrylate dispersants.<\/li>\n<li data-path-to-node=\"6,3,0\"><b data-path-to-node=\"6,3,0\" data-index-in-node=\"0\">Synergy with Phosphonates:<\/b> HPMA works more efficiently when blended with products like HEDP or PBTC, allowing formulators to reduce total chemical dosages while maintaining performance.<\/li>\n<\/ul>\n<h2 data-path-to-node=\"26\">Frequently Asked Questions<\/h2>\n<p><strong>What is the dosage of HPMA in cooling systems?<\/strong><\/p>\n<p>Typically, HPMA is used at a dosage of 1-15ppm. For maximum performance, it is often blended with organic phosphonates to provide a comprehensive scale and corrosion control program.<\/p>\n<p><strong>Can HPMA be used in high pH water?<\/strong><\/p>\n<p>Yes, HPMA is specifically designed for alkaline water systems (pH 8.3) where it maintains its &#8220;threshold effect&#8221; to prevent mineral precipitation.<\/p>\n<p><strong>Is HPMA toxic?<\/strong><\/p>\n<p>No, HPMA is categorized as having low toxicity and is soluble in water, making it safer for industrial handling compared to more volatile alternatives.<\/p>\n<h2 data-path-to-node=\"31\">Packing &amp; Storage<\/h2>\n<ul>\n<li data-path-to-node=\"32,0,0\"><b data-path-to-node=\"32,0,0\" data-index-in-node=\"0\">Available Packaging:<\/b> 25L Drum, 200L Drum, 1000L IBC Tank, and ISO Tank.<\/li>\n<li data-path-to-node=\"32,1,0\"><b data-path-to-node=\"32,1,0\" data-index-in-node=\"0\">Storage:<\/b> Store in a cool, ventilated area. Avoid exposure to direct sunlight.<\/li>\n<\/ul>\n<h2 data-path-to-node=\"5\">Handling &amp; Safety Precautions<\/h2>\n<h3 data-path-to-node=\"6\">Personal Protection<\/h3>\n<ul>\n<li data-path-to-node=\"7,0,0\"><b data-path-to-node=\"7,0,0\" data-index-in-node=\"0\">Eyes:<\/b> Wear chemical safety goggles or a face shield to prevent accidental splashes.<\/li>\n<li data-path-to-node=\"7,1,0\"><b data-path-to-node=\"7,1,0\" data-index-in-node=\"0\">Skin:<\/b> Wear acid-resistant gloves (nitrile or rubber) and protective laboratory clothing.<\/li>\n<li data-path-to-node=\"7,2,0\"><b data-path-to-node=\"7,2,0\" data-index-in-node=\"0\">Inhalation:<\/b> Ensure adequate ventilation in the work area. In case of vapor or mist formation, use an appropriate respirator.<\/li>\n<\/ul>\n<h3 data-path-to-node=\"8\">First Aid Measures<\/h3>\n<ul>\n<li data-path-to-node=\"9,0,0\"><b data-path-to-node=\"9,0,0\" data-index-in-node=\"0\">Eye Contact:<\/b> Immediately flush with plenty of clean water for at least 15 minutes. Seek medical attention if irritation persists.<\/li>\n<li data-path-to-node=\"9,1,0\"><b data-path-to-node=\"9,1,0\" data-index-in-node=\"0\">Skin Contact:<\/b> Remove contaminated clothing and wash the affected area thoroughly with soap and water.<\/li>\n<li data-path-to-node=\"9,2,0\"><b data-path-to-node=\"9,2,0\" data-index-in-node=\"0\">Ingestion:<\/b> Do not induce vomiting. Rinse mouth with water and drink plenty of milk or water. Consult a physician immediately.<\/li>\n<\/ul>\n<h3 data-path-to-node=\"10\">Usage &amp; Compatibility<\/h3>\n<ul>\n<li data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">Acidity:<\/b> As HPMA is acidic (pH 2.0-3.0), avoid direct contact with strong alkaline substances before dilution to prevent localized heat generation.<\/li>\n<li data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">Equipment:<\/b> Use corrosion-resistant pumps and piping (PVC, PE, or stainless steel) for dosing and storage.<\/li>\n<\/ul>\n<p>For detailed safety information, please request the <b data-path-to-node=\"16,0\" data-index-in-node=\"53\">Material Safety Data Sheet (MSDS)<\/b> from our team.<\/p>","protected":false},"excerpt":{"rendered":"<p><b data-path-to-node=\"7,0\" data-index-in-node=\"0\">HPMA (Hydrolyzed Polymaleic Anhydride)<\/b> is a low molecular weight polymeride (MW 400-800) known for its exceptional thermal stability and scale stripping properties. Unlike standard polymers, HPMA remains effective at temperatures up to <b data-path-to-node=\"7,0\" data-index-in-node=\"236\">350\u00b0C<\/b> and high pH levels of <b data-path-to-node=\"7,0\" data-index-in-node=\"264\">8.3<\/b>, making it the industry standard for harsh industrial water environments.<\/p>","protected":false},"featured_media":6282,"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":[1107,1108,351,386,674,677,1104,1105,1106],"class_list":{"0":"post-6281","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-polycarboxylic-antiscalants-dispersants","7":"product_tag-water-treatment-polymers","8":"product_tag-oil-gas-chemicals","9":"product_tag-scale-inhibitor","10":"product_tag-dispersant","11":"product_tag-reverse-osmosis-antiscalant","12":"product_tag-desalination-chemicals","13":"product_tag-hydrolyzed-polymaleic-anhydride","14":"product_tag-high-temperature-antiscalant","15":"product_tag-flash-vaporization","16":"pa_cas-no-26099-09-02","18":"first","19":"instock","20":"taxable","21":"shipping-taxable","22":"product-type-simple"},"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product\/6281","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/comments?post=6281"}],"version-history":[{"count":1,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product\/6281\/revisions"}],"predecessor-version":[{"id":6283,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product\/6281\/revisions\/6283"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/media\/6282"}],"wp:attachment":[{"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/media?parent=6281"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product_brand?post=6281"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product_cat?post=6281"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.watercarechem.com\/pt\/wp-json\/wp\/v2\/product_tag?post=6281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}