Product Name: Hydrolyzed Polymaleic Anhydride (HPMA)
CAS Number: 26099-09-2
Synonyms: Polymaleic Acid; Maleic Acid Polymer; HPMA

Product Overview

Hydrolyzed Polymaleic Anhydride (HPMA) is a low molecular weight polymer (average MW: 400-800) renowned for its exceptional thermal stability and scale inhibition properties. This non-toxic, water-soluble polymer demonstrates outstanding performance under extreme conditions, maintaining effectiveness at temperatures up to 330°C and in alkaline environments (pH 8.3). HPMA's unique molecular structure provides superior threshold effect capabilities, making it an ideal choice for demanding water treatment applications where high temperatures and challenging water chemistry are encountered.

Key Features & Benefits

• Exceptional Thermal Stability: Maintains performance integrity at temperatures up to 330°C

• Superior Scale Inhibition: 98% effectiveness against carbonate and phosphate scales

• High pH Tolerance: Performs reliably in alkaline conditions up to pH 8.3

• Extended Protection: Provides effective scale control for up to 100 hours at 300°C

• Synergistic Performance: Excellent compatibility with organic phosphonates and zinc salts

• Multi-Industry Application: Suitable for various high-temperature water systems

• Environmentally Friendly: Non-toxic and biodegradable

Technical Specifications

Specifications may vary between production batches. Please refer to the Certificate of Analysis for precise values.

Applications

HPMA is engineered for demanding applications across multiple industries:

• Desalination Plants: Scale prevention in flash evaporation equipment

• Low-Pressure Boilers: Protection against scale formation in boiler systems

• Steam Locomotives: Water treatment for steam generation systems

• Oil & Gas Industry: Crude oil dehydration and petroleum pipeline protection

• Industrial Cooling Systems: Recirculating cooling water treatment

• Cement Manufacturing: Additive for improved performance

• General Water Treatment: Various high-temperature water systems

Application Guidelines

• Recommended Dosage: 1-15 ppm in combination with organic phosphonates

• Effective Treatment: 98% scale inhibition with excellent descaling properties

• Corrosion Inhibition: Enhanced carbon steel protection when combined with zinc salts

• System Compatibility: Suitable for circulating cool water, oilfield injection water, and low-pressure boilers

Packaging & Storage

• Packaging: 200L plastic drums, 1000L IBC containers

• Custom Packaging: Available upon request

• Storage: Store in cool, dry, well-ventilated area

• Shelf Life: 12 months from production date

• Handling: Protect from freezing and direct sunlight

Safety & Handling

HPMA is an acidic substance. Appropriate personal protective equipment must be worn during handling, including chemical-resistant gloves and safety glasses. Avoid contact with skin, eyes, and clothing. In case of contact, immediately flush with plenty of water and seek medical attention if necessary. For comprehensive safety information, consult the Safety Data Sheet (SDS).

Technical Documentation

• [ Safety Data Sheet (SDS)]

• [ Technical Data Sheet (TDS)]

• [ Certificate of Analysis (COA)]

Contact our technical team to request complete documentation package

Request a Sample

Evaluate HPMA in your specific application. Contact us to request a complimentary sample and technical consultation.

Technical Support

Our team of water treatment specialists provides:

• Application-specific dosage recommendations

• Compatibility testing with existing treatment programs

• Performance optimization services

• Technical consultation and troubleshooting

Quality Assurance: All products undergo rigorous quality control testing to ensure consistent performance and reliability. Each batch is accompanied by a Certificate of Analysis guaranteeing specification compliance.

Environmental Compliance: HPMA meets international environmental standards for water treatment chemicals.

Disclaimer: The information provided is based on current knowledge and believed to be accurate. Users should conduct appropriate testing to determine suitability for specific applications. All products are supplied subject to our standard terms and conditions of sale.