English name: poly (calcium acrylate)
Properties: White powder.
Dissolved: water-soluble well.

Description: The molecular weight of 2.5 million to 300 million. Particle size <100 mesh. Good water solubility. A high temperature, reduce water loss, salt, anti-calcium feature. Oil drilling mud used in the preparation for high temperature and fluid loss can increase the penetration rate, to ensure safety. The transfer from the polyacrylamide, hydrolysis, coagulation, drying, crushing the system.