Sainuo calcium stearate has no sulfur pollution, good long-term thermal stability, good lubrication and demoulding performance. Calcium stearate is a white fine powder, non-toxic. Insoluble in water, slightly soluble in hot ethanol and hot vegetable oil, easily soluble in hot pyridine. The relative density is 1.08 and the melting point is 179 ℃. It has water absorption in air. In case of strong acid, it is decomposed into stearic acid and corresponding calcium salt.