 Active
ingredient
Hydrolyzed Polymaleic Anhydride, HPMA
Characteristics
Molecular weight 400-800. High chemical and thermal
stability (withstands up to 300°C). Sequesters Ca, Mg
and causes distortion to salt crystals. Particularly
effectve against carbonate and phosphate.
Use
Scale/corrosion inhibitor.
Specification
| Appearance |
Clear, pale yellow to brown liquid
|
| Total content, % |
≥48.0
|
| Average molecular weight |
≥700
|
| pH (1% aq. solution) |
2.0-3.0
|
| Density (20°C), g/cm3 |
≥1.18
|
Application Guide
Rate of use is generally 2-5mg/L for use as scale
inhibitor in combination with organophosphate.
Packaging & Storage
Plastic drum, net weight 25kg. It shall be stored in a
cool, dry, ventilated place. Avoid alkali, sulfite or
nitrite. Shelf life: 10 months.
|
HPMA
