Polyacrylic Acid

Polyacrylic Acid is a synthetic water-absorbing polymer used in water treatment and various applications.

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Polyacrylic Acid

  • CAS Number: 9003-01-4
  • EINECS NO.: 202-415-4
  • Molecular Formula: (C3H4O2)n
  • Purity (%): 30%-50%
  • Appearance: Colorless to light yellow transparent liquid
  • Packing: Typically available in bags or drums, ranging in size from small quantities to larger industrial packaging.
  • Other Name: PAA; PAAc, Acrysol, Acumer, Alcosperse, Aquatreat, Carbomer, Sokalan
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Polyacrylic Acid Specification

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What is Polyacrylic Acid

Polyacrylic acid (PAA) is a low-molecular-weight anionic polymer. Its main function is to prevent the formation of mineral scale (such as calcium carbonate) by interfering with crystal growth and keeping solids suspended in water.

 
Polyacrylic acid Liquid
  • Superior Scale Inhibition: PAA prevents hard mineral buildup by distorting crystal growth, ensuring heat exchangers stay clean and efficient.
  • Powerful Dispersancy: Keeps silt, clay, and metal oxides suspended in water, preventing them from depositing on heat exchanger surfaces.
  • Thermal stability: Maintains its chemical integrity and performance at high temperatures exceeding 100°C, making it ideal for high-pressure boilers and cooling systems.
  • Environmentally friendly: PAA is phosphate-free and biodegradable, helping companies meet stringent 2026 ESG (Environmental, Social, and Governance) targets.
 

What is Polyacrylic Acid Used for?

  • Water treatment: Scale and corrosion inhibitor in water treatment processes.
  • Personal care products: Thickening agent, stabilizer, and emulsion stabilizer in cosmetics and personal care products.
  • Detergents and cleaning products: Dispersant and soil suspending agent in detergents and cleaning formulations.
  • Adhesives and coatings: Improves bonding strength and acts as a film-forming agent in adhesives and coatings.
  • Textile industry: Dye dispersant for dyeing and printing processes in the textile industry.
  • Chelation therapy: Sequestering agent for certain heavy metals in medical treatments.
  • Agriculture: Soil conditioner and water retention agent for improved plant growth in agriculture.
 

FAQ of Polyacrylic Acid

PAA is the acid form (liquid), while PAAS (Sodium Polyacrylate) is the neutralized salt form. PAAS is more commonly used in alkaline systems or as a thickener, while PAA is more suitable for scale control in acidic to neutral systems.

Yes, the main function of polyacrylic acid in cosmetics is moisturizing, making it ideal for dry skin. It helps retain skin moisture, leaving the skin feeling soft. In addition, this substance can also act as a stabilizer, helping lotions maintain a uniform consistency and preventing separation.

 

Yes. Unlike many organic phosphonates, Polyacrylic Acid is highly stable in the presence of chlorine and other oxidizing biocides.

Polyacrylic Acid Suppliers - Hoochemtec

Your Trusted Polyacrylic Acid Suppliers. High-quality solutions for water treatment, adhesives, coatings, and personal care. Count on us for reliability, prompt delivery, competitive pricing, and exceptional service. Contact us today to discuss your needs and experience the difference.

  • Molecular Weight Control: We utilize precision polymerization to produce PAA with a narrow molecular weight distribution (typically 2,000 to 5,000 Daltons), which is the ideal molecular weight range for achieving optimal scale inhibition.
  • Purity Standards: Our 2026 production batch features ultra-low residual monomer levels, making it safe for specialized industrial and textile use.
  • Synergistic Blends: Hoochemtec offers PAA both as a standalone product and as a base material for PAAS (Sodium Polyacrylate) or multi-component antiscalant blends (with HEDP or ATMP).
  • Logistics & Packaging: Available in 25kg or 250kg HDPE drums, and 1250kg IBC tanks. All packaging is UV-stabilized for long-distance maritime shipping.
 

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