Item

Standard

Packing

Latex grade

First grade

Qualified

Appearance

White or light yellow powders

Initial Melting
Point ,

244

244

242

Heat Loss

0.3%max

0.3%max

0.5%max

Zinc Content

20.0 22.5

20.0 22.5

20.0 23.0

Residue on
150µm Sieve

0.0%max

0.1%max

0.2%max

Zinc Salt
Soluble in Water

0.01%max

-

-

Properties

White or light yellow powders, inodorous, non-toxic
, soluble in dilute alkali solution, carbon disulfide
, benzene, acetone, dichloromethane and a little
soluble in chloroform, insoluble in alcohol, carbon
tetrachloride and ethyl acetate.

Applications

A fast curing accelerator for natural and synthetic
rubber and latex, it can be used as accelerators
of butyl rubber, acrylonitrile-butadiene rubber
and EPDM rubber, non-toxic, inodorous, stainless
and changeless in colours on products, suitable
for coated fabric, foodstuff and medical rubber
products. It had wonderful effect in the products
of EPDM rubber and butyl rubber.