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Calcium Stearate

CAS No.: 1592-23-0

Molecular formula: C36H70O4Ca

Structural formula:

Standard: HG/T2424-93

Properties and Uses

Properties: White powder, insoluble in water, can be decomposed into stearic acid and corresponding salts in hot strong acid.

Uses: In plastic, machinery, rubber, paint and ink industry as a lubricant, slipping agent, thermal stabilizer, release agent and accelerator, etc.

Physical and chemical index
Item Index
Top grade First grade Qualified product
Ca % 6.5+0.5 6.5+0.6 6.5+0.7
Melting pointºC 149-155 ≥140 ≥125
Free fatty acid % (as Stearic Acid), ≤ 0.5 0.5 0.5
Loss on heat % ≤ 2.0 3.0 3.0
Fineness on test sieve % ≥ 99.5 99.0 99.0
Bulk density g/cm3 0.2 - -

Packing: plastic lined film bag, with plastic woven bag as external package. Net wt. 20kg.


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