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Hydrolysed Polymaleic Anhydride (HPMA) CAS NO. 26099-09-02

1. Product Introduction Hydrolysed Polymaleic Anhydride (HPMA) CAS NO. 26099-09-02 UN NO:3265 CALSS: 8 Molecular Formula: (C4H4O4)n Hydrolysed Polymaleic Anhydride (HPMA) other names (Z)-2-Butenedioic acid homopolymer; Hydrolyzed polymaleic anhydride; HPMA; PMA; is a low molecular weight......

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1. Product Introduction

Hydrolysed Polymaleic Anhydride (HPMA)

CAS NO. 26099-09-02

UN NO:3265  CALSS: 8

Molecular Formula: (C4H4O4)n

Hydrolysed Polymaleic Anhydride (HPMA) other names (Z)-2-Butenedioic acid homopolymer; Hydrolyzed polymaleic anhydride; HPMA; PMA; is a low molecular weight polymeride, with average molecular weight 400- 800. No toxicity, soluble in water, high chemical and thermal stability, decomposed temperature above 330 degree. HPMA has obvious threshold effect under high temperature (350degree) and high pH(8.3) level, suitable to be used in alkaline water system or built with agents. It has good scale inhibition against carbonate and phosphate scales under temperature 300degree with effective time as long as 100 hours. Due to its good scale inhibition and high temperature tolerance properties, In addition, HPMA has good corrosion inhibition effect when used together with zinc salt.


2. Specification or COA

ITEMS

SPECIFICATION

RESULTS

Solid content

50.0 min

50.8

Br value,mg/g

80 max

65

pH at 20℃(1% solution)

2.0 - 3.0

2.3

Viscosity at 25 (mm2/℃s)

8.0 min

8.5

Density at 20℃, g/cm 3

1.220–1.250

1.238

Appearance

Pale yellow to umber transparent liquid

Pale yellow to umber transparent liquid


3. Product application

Hydrolysed Polymaleic Anhydride (HPMA) HPMA is widely used in desalination plant of flash vaporization equipment, low pressure boiler, steam locomotive, crude oil evaporation, petroleum pipeline, and industrial circulating cool water systems. HPMA is usually used together with organic phosphonate for circulating cool water system oilfield fill water, crude oil dewatering and low-pressure boilers. HPMA can also used as additives for cement, cooling water treatment, boilers, evaporators, RO membranes, secondary oil recovery.


4. Packing & Delivery

Standard export neutral packing in 240KG/DRUM, 19.2MT=20’FCL; 1250kg/IBC, 25MT=20’FCL.

Available from stock of Hydrolysed Polymaleic Anhydride (HPMA) for prompt delivery


5. FAQ

What kind of packaging can Meiyachem provide?

Drums, IBC totes, ISO tank container and Flexitank.

Usually we supply the neutral packing to help push sales. Our packing is standardized in a manner which has proved successful in many export shipments. All the products were examined before packing and all packing material must be disinfected and immunized to comply with the regulations.

Will the products I use from Meiyachem continue to have the same quality, safety, and performance?

Yes. We will continue to manufacture and supply products at the same manufacturing locations, and every product will uphold the same standards of quality, safety, and performance.

What is Meiyachem doing about REACH?

Most of Meiyachem's products are pre-registered with the ECHA for REACH compliance. Some of items were full-REACH registered.

How can I place a sample order? and is there a charge?

Samples may be ordered via Meiyachem website and there is no associated charge.

What price can I get?

“Quick turnover and small profit” is a guiding principle of our sales promotion work. We maintain a flexible policy in price and make the maximum profit to customers.

Will Meiyachem be ISO certified?

Meiyachem is seeking ISO certification on its products.


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