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Hydrolyzed Polymaleic Anhydride (HPMA)
TL;DR Start with deposit-control polymer selection and scale versus suspended or deposited solids. Compare the proposed grade specification and supply requirements before requesting a quotation.
Hydrolyzed Polymaleic Anhydride (HPMA) — Discuss Hydrolyzed Polymaleic Anhydride (HPMA) for deposit-control polymer selection. Start with scale versus suspended or deposited solids and water analysis, ph and operating temperatures. Check the offered grade specification and include the intended application when requesting a quotation.
For a Hydrolyzed Polymaleic Anhydride (HPMA) enquiry, include scale versus suspended or deposited solids and water analysis, ph and operating temperatures, together with the current treatment or formulation. Use the offered grade documents and a representative comparison to decide the next step.
Discuss the grade and application
For Hydrolyzed Polymaleic Anhydride (HPMA), start with deposit-control polymer selection.
Selection inputs
- Scale versus suspended or deposited solids
- Water analysis, pH and operating temperatures
- Current treatment and oxidant exposure
- Representative deposit and dispersancy test
Documents and supply
Identify the proposed grade, required quantity, packaging and destination. Ask which specification, TDS, SDS and batch-document options apply to that offer.
Technical documents · Company certificate scopes
Request a quotePolycarboxylate Antiscalants & Dispersants · Application selection · Related technical decision
Customer application: Steel manufacturing plant in India. Discuss your application.
Product Description
CAS No. 26099-09-2
HPMA Structural Formula:
Properties:
HPMA is a low molecular weight polymeride with an average molecular weight of 400-800, making it highly heat and chemically stable with a decomposition temperature above 330℃. This polymeride has an effective threshold effect under high temperatures (350℃) and high pH levels (8.3). It is well suited for alkaline water systems or built with agents.
HPMA offers excellent scale inhibition properties against carbonate and phosphate scales while remaining effective at temperatures up to 300℃ over extended periods (up to 100 hours). These features have made it popular in desalination plants, flash vaporization equipment, low-pressure boilers, steam locomotives, crude oil evaporation pipelines, and industrial cooling water systems. Moreover, HPMA has strong corrosion inhibition effects when used alongside zinc salts.
Finally, due to its versatile characteristics, HPMA can also be added as an additive to various products.
Hydrolyzed Polymaleic Anhydride Specification
| Items | Index |
|---|---|
| Appearance | Pale yellow to umber transparent liquid |
| Solid content % | 50.0 min |
| Bromine value mg/g | 50.0 max |
| pH(1% water solution) | 2.0-3.0 |
| Density (20℃) g/cm3 | 1.22-1.25 |
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