Item

Standard

Packing

Latex grade

First grade

Qualified

Appearance

White or light yellow powders

25kg/bag

Initial Melting
Point,

174

174

172

Heat Loss

0.3%max

0.4%max

0.5%max

Zinc Content

17.0-19.0%

17.0-19.0%

17.0-20.0%

Residue on

150µm Sieve

0.1%max

0.1%max

0.5%max

Zinc Salt
Soluble in
Water

0.02%max

-

-

Properties

White or light yellow powders, solubel in 1%NaOH
solution, carbon disulfide, bezene, chloroform,
insoluble in gasoline.

Applications

A fast curing accelerator for natural, synthetic
rubber and latex, especially suitable for butyl
rubber, EPDM rubber and latex. non-toxic,
inodorous, it can be used as white or colour and
transparent rubber manufactures.