{"id":6061,"date":"2026-01-22T14:02:10","date_gmt":"2026-01-22T06:02:10","guid":{"rendered":"https:\/\/www.watercarechem.com\/?post_type=product&#038;p=6061"},"modified":"2026-01-22T14:22:26","modified_gmt":"2026-01-22T06:22:26","slug":"polyacrylic-acid-paa-polymer","status":"publish","type":"product","link":"https:\/\/www.watercarechem.com\/ja\/product\/polyacrylic-acid-paa-polymer\/","title":{"rendered":"High-Performance Polyacrylic Acid (PAA) Polymer | CAS 9003-01-4"},"content":{"rendered":"<h1>Polyacrylic Acid (PAA) Polymer: High-Performance Scale Inhibitor &amp; Dispersant<\/h1>\n<p><strong>Polyacrylic Acid (PAA)<\/strong> is a non-toxic, water-soluble organophosphorus-free polymer known for its excellent scale inhibition and dispersing properties. As a homopolymer of acrylic acid, it is chemically stable and operates efficiently across various water qualities, particularly in high-alkalinity and high-concentration industrial systems.<\/p>\n<p>At <strong>WaterCareChem<\/strong>, we provide high-quality PAA (CAS No. 9003-01-4) designed to disperse microcrystals of calcium carbonate, calcium phosphate, and calcium sulfate, ensuring your cooling systems and boilers remain clean and efficient.<\/p>\n<h2>Chemical Properties &amp; Mechanism<\/h2>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-6029\" src=\"https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=300%2C300&#038;ssl=1\" alt=\"Polyacrylic Acid, PAA Polymer\" width=\"300\" height=\"300\" title=\"\" srcset=\"https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=768%2C768&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=12%2C12&amp;ssl=1 12w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=285%2C285&amp;ssl=1 285w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=270%2C270&amp;ssl=1 270w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=540%2C540&amp;ssl=1 540w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?resize=660%2C660&amp;ssl=1 660w, https:\/\/i0.wp.com\/www.watercarechem.com\/wp-content\/uploads\/2026\/01\/PAA.png?w=800&amp;ssl=1 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Polyacrylic acid is innoxious and easily soluble in water. In industrial water treatment, the <strong>PAA polymer<\/strong> works through a process of lattice distortion and chelation. It can disperse microcrystals or micro-sand of scale-forming minerals, preventing them from depositing on heat exchange surfaces even in high-concentration environments.<\/p>\n<ul>\n<li><strong>Broad pH Range:<\/strong> Maintains high scale inhibition performance in alkaline conditions.<\/li>\n<li><strong>Powerful Dispersion:<\/strong> Effectively keeps mineral solids suspended in the water for easy removal.<\/li>\n<li><strong>Safety:<\/strong> Non-pungent odor, non-toxic, and environmentally friendly.<\/li>\n<\/ul>\n<h2>Technical Specifications<\/h2>\n<p>We supply PAA in various concentrations. Below are the standard specifications for our 50% active content solution:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; border: 1px solid #ddd;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">\u9805\u76ee<\/th>\n<th style=\"padding: 10px; border: 1px solid #ddd; text-align: left;\">\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>\u5916\u89b3<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">Amber transparent liquid<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Solid content, %<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">50 Min.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Free monomer (CH2=CH-COOH), %<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">1.0 Max.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>Density (20\u2103), g\/cm\u00b3<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">1.2 Min.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>pH (1% solution)<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">3.0 ~ 4.5<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #ddd;\"><strong>CAS\u756a\u53f7<\/strong><\/td>\n<td style=\"padding: 10px; border: 1px solid #ddd;\">9003-01-4<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>*Note: WaterCareChem also supplies 30%, 40%, and 60% polyacrylic acid solutions upon request.<\/em><\/p>\n<h2>Industrial Applications<\/h2>\n<h3>1. Industrial Water Treatment<\/h3>\n<p>PAA is widely used as a scale inhibitor and dispersant in circulating cooling water systems for power plants, iron &amp; steel factories, chemical fertilizer plants, oil refineries, and large-scale air conditioning systems.<\/p>\n<h3>2. Papermaking &amp; Textiles<\/h3>\n<p>In the paper and textile industries, PAA polymer acts as a superior dispersing agent for coatings, dyes, and mineral fillers, improving the uniformity and quality of the final product.<\/p>\n<h3>3. Super-Absorbent Polymers (SAP)<\/h3>\n<p>Polyacrylic acid and its derivatives are the core material for highly absorbent plastics. They can absorb up to 1200 times their weight in water, making them essential for high-performance baby diapers and hygiene products.<\/p>\n<h3>4. Healthcare &amp; Cosmetics<\/h3>\n<p>Neutralized polyacrylic acid gels are used in healthcare for biocompatible matrices, such as skin gels for skincare or skin disease treatment products, allowing for a controlled delivery rate of active substances.<\/p>\n<h2>Usage &amp; Dosage Guidelines<\/h2>\n<p>Dosage should be adjusted based on water quality and equipment materials. When used as a standalone scale inhibitor and dispersant, a dosage of <strong>1~15 mg\/L<\/strong> is typically recommended. For optimal results, it is often blended with other phosphonates or zinc salts.<\/p>\n<h2><b data-path-to-node=\"16,0\" data-index-in-node=\"0\">Technical Tip<\/b><\/h2>\n<p>For systems with high phosphate levels or extreme heat, we recommend using <b data-path-to-node=\"16,0\" data-index-in-node=\"90\">AA\/AMPS<\/b> or <b data-path-to-node=\"16,0\" data-index-in-node=\"101\">HPMA<\/b> for superior performance compared to standard PAA.<\/p>\n<div style=\"background-color: #f9f9f9; border-left: 5px solid #0073aa; padding: 20px; margin: 20px 0; font-family: Arial, sans-serif;\">\n<h3 style=\"margin-top: 0; color: #0073aa;\">Technical Selection: PAA vs. AA\/AMPS<\/h3>\n<p>While <strong>Polyacrylic Acid (PAA)<\/strong> is an excellent cost-effective dispersant for general calcium carbonate control, certain high-stress systems require advanced chemistry. Consider upgrading to our <strong>AA\/AMPS Copolymer<\/strong> if your system faces the following challenges:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; background: white;\">\n<thead>\n<tr style=\"border-bottom: 2px solid #ddd;\">\n<th style=\"padding: 10px; text-align: left;\">Requirement<\/th>\n<th style=\"padding: 10px; text-align: center;\">Standard PAA<\/th>\n<th style=\"padding: 10px; text-align: center; color: #0073aa;\">Advanced AA\/AMPS<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #eee;\">\n<td style=\"padding: 10px;\">Phosphate Scale Inhibition<\/td>\n<td style=\"padding: 10px; text-align: center;\">\u2b50\u2b50<\/td>\n<td style=\"padding: 10px; text-align: center;\">\u2b50\u2b50\u2b50\u2b50\u2b50<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #eee;\">\n<td style=\"padding: 10px;\">Zinc Salt Stability<\/td>\n<td style=\"padding: 10px; text-align: center;\">Fair<\/td>\n<td style=\"padding: 10px; text-align: center;\">Excellent<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #eee;\">\n<td style=\"padding: 10px;\">High Iron (Fe) Resistance<\/td>\n<td style=\"padding: 10px; text-align: center;\">Low<\/td>\n<td style=\"padding: 10px; text-align: center;\">High<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px;\">Best Application<\/td>\n<td style=\"padding: 10px; text-align: center;\">General Cooling Towers<\/td>\n<td style=\"padding: 10px; text-align: center;\">Heavy Duty \/ High Cycles<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"margin-bottom: 0; margin-top: 15px;\"><strong>Need a more powerful solution?<\/strong> <a style=\"color: #0073aa; font-weight: bold; text-decoration: underline;\" href=\"https:\/\/www.watercarechem.com\/ja\/products\/aa-amps-copolymer\/\" target=\"_blank\">View AA\/AMPS Copolymer Details \u2192<\/a><\/p>\n<\/div>\n<h2>Packing &amp; Storage<\/h2>\n<p><strong>Packing:<\/strong> 200L plastic drum, 1000L IBC tanks, or as per customer requirements.<br \/>\n<strong>Storage:<\/strong> Store in a cool, dry place. Shelf life is one year from the date of manufacture.<\/p>\n<h2>Safety &amp; Protection<\/h2>\n<p>Polyacrylic Acid is acidic. Avoid contact with eyes and skin. In case of contact, flush immediately with plenty of water. Refer to the Safety Data Sheet (SDS) for comprehensive safety information.<\/p>\n<p><strong>Synonyms:<\/strong> Carbomer; PAA; acrylic acid homopolymer; acrylic resin; acrysola1; Poly(acrylic acid).<\/p>\n<hr \/>\n<p style=\"text-align: center;\"><a style=\"background-color: #0073aa; color: white; padding: 12px 25px; text-decoration: none; border-radius: 5px; font-weight: bold;\" href=\"https:\/\/www.watercarechem.com\/ja\/contacts\/\" target=\"_blank\" rel=\"noopener\">Contact Us for a Quote or Samples<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p><b data-path-to-node=\"4,0\" data-index-in-node=\"0\">High-performance Polyacrylic Acid (PAA) polymer designed for superior scale inhibition and crystal dispersion. Effective against Calcium Carbonate and Calcium Sulfate in high-alkalinity systems. Ideal for cooling water, papermaking, and textile applications. <span class=\"citation-6\">CAS No. 9003-01-4.<\/span><\/b><\/p>","protected":false},"featured_media":6029,"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":[949,960,950,961,105,951,347,952,351,953,954,955,945,956,946,957,947,958,948,959],"class_list":{"0":"post-6061","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-polycarboxylic-antiscalants-dispersants","7":"product_tag-dispersing-agent","8":"product_tag-carbomer","9":"product_tag-calcium-carbonate-dispersant","10":"product_tag-acrylic-resin","11":"product_tag-water-treatment-chemicals","12":"product_tag-industrial-polymer","13":"product_tag-cooling-water-treatment","14":"product_tag-acrylic-acid-homopolymer","15":"product_tag-scale-inhibitor","16":"product_tag-boiler-chemicals","17":"product_tag-papermaking-chemicals","18":"product_tag-textile-auxiliaries","19":"product_tag-polyacrylic-acid","20":"product_tag-super-absorbent-polymer","21":"product_tag-paa","22":"product_tag-high-performance-dispersant","23":"product_tag-paa-polymer","24":"product_tag-watercarechem","25":"product_tag-cas-9003-01-4","26":"product_tag-organophosphorus-free-inhibitor","27":"pa_appearance-amber-transparent-liquid","28":"pa_cas-no-9003-01-4","30":"first","31":"instock","32":"taxable","33":"shipping-taxable","34":"product-type-simple"},"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[],"jetpack_likes_enabled":true,"_links":{"self":[{"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product\/6061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/comments?post=6061"}],"version-history":[{"count":2,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product\/6061\/revisions"}],"predecessor-version":[{"id":6064,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product\/6061\/revisions\/6064"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/media\/6029"}],"wp:attachment":[{"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/media?parent=6061"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product_brand?post=6061"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product_cat?post=6061"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.watercarechem.com\/ja\/wp-json\/wp\/v2\/product_tag?post=6061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}