Hydrolysis of maleic anhydride HPMA
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Product Introduction
Performance and Usage
Generally, the relative molecular weight is 400~800, non-toxic, easily soluble in water, high chemical stability and thermal stability, and the decomposition temperature is above 330 ℃. HPMA is suitable for alkaline environments. Due to its excellent scale inhibition performance and high temperature resistance, HPMA is widely used in desalination flash evaporation devices, low pressure boilers and industrial circulating cooling water. In addition, HPMA has a certain corrosion inhibition effect, and the corrosion inhibition effect is better when mixed with zinc salt.
Can also be used for cement admixture, saline soil improver.
Technical indicators
|
Project |
Indicators |
|
pH (1% aqueous solution) |
≤ 3.0 |
|
Density (20 ℃) g/cm³ |
≥ 1.15 |
|
Solid content% |
≥ 48 |
Method of use
When used alone, the concentration is generally 1-15mg/L, which is often compounded with organic phosphonate. It is used for circulating cooling water treatment and furnace treatment of low-pressure boilers. It has good effects of inhibiting scale formation and stripping old scale. The scale inhibition rate can reach 98%. EDTMPS and HPMA can be used for furnace water treatment of low-pressure boilers after being compounded in a ratio of 1:3. When HPMA is compounded with zinc salt, it can effectively prevent corrosion of carbon steel.
Packaging and storage
Plastic drum packaging, 25kg per barrel or according to user needs to determine. Store in a cool indoor place for 12 months.
safety and protection
It is acidic. Pay attention to labor protection during operation. Avoid contact with skin and eyes. Rinse with plenty of water immediately after contact.
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