Hydrolyzed Poly(maleic anhydride) (HPMA) – Industrial Grade Water Treatment Dispersant & Antiscalant
Hydrolyzed Poly(maleic anhydride) (HPMA) – Industrial Grade Water Treatment Dispersant & Antiscalant - Image 2
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Hydrolyzed Poly(maleic anhydride) (HPMA) – Industrial Grade Water Treatment Dispersant & Antiscalant

Industrial grade HPMA is a high-efficiency antiscalant and dispersant for industrial water treatment and circulating water systems. It features excellent scale inhibition, dispersion and chelating performance, effectively suppressing scale crystallization and deposition on metal pipelines and equipment, maintaining stable water quality and prolonging the service life of water system facilities.

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Product Features

  • Model / Item Code: HPMA
  • Grade: Industrial
  • Appearance: Light yellow to reddish-brown transparent liquid
  • Packaging: Blue plastic drum (standard specifications)
  • Export Availability: Yes, suitable for cross-border industrial supply
  • Physicochemical Properties

Property Specification

Solid Content ≥48.0%

Bromine Value ≤80.0 mg/g

Average Molecular Weight ≥450

pH (1% aqueous solution) 2.0–3.0

Density (20°C) ≥1.18 g/cm³

Solubility Easily soluble in water

Thermal Stability Decomposition ≥330°C; stable below 300°C

Key Features

  • Chelation Performance: Effectively binds metal ions in water, preventing mineral deposition.
  • Scale Inhibition: Excellent antiscalant for carbonate scales; effective up to 100 hours, suitable for high-temperature and high-pH environments.
  • Corrosion Control: Synergistic corrosion inhibition when combined with zinc salts; protects metal equipment and pipelines.
  • High Stability: Chemically and thermally stable, non-toxic; performs well in alkaline water systems.

Applications

  • Core Use Cases: Boiler water treatment, circulating cooling water systems, seawater desalination flash units, low-pressure boilers, steam locomotives, crude oil dehydration, water and oil transportation pipelines.
  • Industry Fields: Industrial circulating water, oilfield water treatment, chemical industry, power plants, and other industrial water systems.

Storage & Handling

  • Store in a cool, dark place, away from direct sunlight.
  • Handle with care; avoid direct contact with eyes and skin.
  • Check packaging and quantity upon receipt; report any damage to the supplier.
  • Non-quality issues are not refundable once opened.

Supply & Service

  • Export Ready: Adapted for cross-border e-commerce and industrial supply.
  • Sample & Order: Small-batch samples available for testing prior to bulk purchase.
  • Pricing: Reference price excludes tax and shipping; shipping cost borne by buyer.

Additional Notes

HPMA is a low-molecular-weight polyelectrolyte (MW 400–800) with strong solubility effect at high temperature (<350°C) and high pH. It is often used in combination with other chemical additives to enhance overall corrosion inhibition and scale control performance.

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