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Calcium stearate

Calcium stearate is white or yellowish powder, insoluble in water, soluble in hot ethanol and ether, able to absorb water in the air, and decomposed into stearic acid and corresponding calcium salt when encountering strong acid.

Key Words:

Calcium stearate

Category:

STEARATE

Inquiry

Calcium stearate

(一)Molecular formula：Ca(C17H35COO)2

(II) Properties: Calcium stearate is white or yellowish powder, insoluble in water, soluble in hot ethanol and ether, able to absorb water in the air, and decomposed into stearic acid and corresponding calcium salt when encountering strong acid.

(III) Uses: Calcium stearate is used as non-toxic stabilizer in PVC resin processing, waterproof agent for waterproof and rainproof materials, smoothing agent for paint, thickener for lubricating oil, pencil lead lubricant, etc.

(IV) Quality standards

Model	Calcium Content（%）	Free Acid （%）	Moisture（%）	Melting Point （℃）	Fineness/Screen Residue（%）
G-01	6.5-7.2	≤0.5	≤3	150-160	≤1(75μm)
G-02	6.5-7.2	≤0.5	≤3	150-160	≤1(45μm)
G-03	6.5-7.0	≤0.5	≤2	145-155	≤1(75μm)
G-04	6.5-7.0	≤0.5	≤2	145-155	≤1(45μm)