Item

Standard

Packing

High
quality

First grade

Qualified

Appearance

Milk-white or light-yellow-brown powder

25kg/bag

Melting point,

106.0min

104.0min

103.0min

Ash

0.30%max

0.40%max

0.50%max

Reduction
in weigh after
heating

0.30%max

0.40%max

0.50%max

Screen
residue(150µm)

0.1%max

0.1%max

0.1%max

Insolubles of
methanol

1.0%max

1.5%max

1.5%max

Properties

Its industrial product is milk-white or
light-yellow-brown powder. Soluble in benzol,
chloroform, carbon bisulfide, acetone, methanol
, ethanol, but hard in gasoline, not soluble
in water, this acid, thin alkali.

Application

A late-effect accelerator for RUBBER, is
suitable for natural and synthetic rubber,
the speed of RUBBER is similar with CBS's,
but the late-effect is better than CBS's.
There is little pollution. The color is
hardly changed.