PVI

Chemical Name: N-Cyclohexy(thio)phthalimide
Molecular Formula: C₁₄H₁₅O₂SN
Molecular Weight: 261.34
CAS NO: 17796-82-6

Specification:

Item	Crystal	Oiled crystal	Granule
Appearance	White crystal(granule)
Initial M.P. oC ≥	90.0	90.0	90.0
Loss on drying % ≤	0.30	0.40	0.30
Ash % ≤	0.30	0.40	0.30
Residues on 840μm sieve, % ≤	0.00	0.00	\
Additive, %	\	0.0-2.0	\
Granule Diameter, mm	\	\	2.50

Properties: Specific gravity: 1.25--1.35. Soluble in acetone, benzene, toluol, diethyl ether, ethyl acetate, hot CCl4 and hot alcohol, slightly soluble in gasoline, insoluble in derosene and water.

Application: Pre-vulcanisation inhabitor. Provide predictable scorch control in most sulphur valcanisation; Improved cost performance through marginal stock recovery, single- stage mixing, higher processing and/or curing temperatures; activity is linear and higher than most retarders; may cause bloom above 0.5 phr. It is the anti-scorching agent for both natural and synthetic rubber.

Packaging: 25kg bag.

Storage: Keep container tightly closed in a cool, well-ventilated place. The recommended max. storage life is 1 years when stored under normal conditions.

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