
CAS No.: 557-05-1
Molecular formula: C36H70O4Zn
Structural formula:
Standard: HG/T3667-2000
Product introduction
This product is one of the most widely used additives in the plastics field. It serves primarily as a lubricant,but also as a densifying agent and a partitioning agent. It is used extensively in color concentrates as a dispersion aid. It is used to improve processing of the styrenics and ployesters, and to a lesser txtent with the olefins. In rubber apllications, it functions as an elastomer processing aid and release agent.
Properties and Uses
Properties: White fine powder, insoluble in water, can be decomposed into stearic acid and corresponding salts in hot strong acid..
Uses: In cosmetic, 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 | |
Zn, % | 10.3-11.3 | 10.3-11.3 | 10.0-11.5 |
Melting point, ºC | 120+5 | 120+5 | 120+5 |
Free fatty acid % (as Stearic Acid), ≤ | 0.8 | 1.0 | 1.5 |
Loss on heat % ≤ | 0.8 | 1.0 | 1.5 |
Fineness on test sieve % ≥ | 99.0 (0.045mm test sieve) | 99.5 (0.075mm test sieve) | 95.0 (0.075mm test sieve) |
Packing: plastic lined film bag, with plastic woven bag as external package. Net wt. 20kg.