Item

Standard

Packing

Appearance

Light-yellow
powder

20kg/25kg bag.

Initial M.P. (Min)

200.0

Loss on drying

0.30%max

Zn content

15.0--18.0%

Residues on 150µm
sieve

0.10%max

Zinc Soluble in Water

0.05%max

Properties

Light yellow powder with light bitter taste
. Specific density is 1.65--1.72. Hardly
soluble in acetone, benzene, ethanol,
and carbon tetrachloride. Insoluble in
water, gasoline. Decomposed in strong
acid and alkali.

Application

Used for NR, IR, SBR, NBR, EPDM and
latex. May be regarded as an
intermediate between Rubace M and
Rubace DM. Used as a secondary
accelerator in combination with Rubace
PZ and Rubace EZ. Similar in
performance to M at curing temperature
in dry rubber application. Has somewhat
low scorch and has processing safety.
Suitable for mold curing. Requires zinc
oxide and stearic acid as activators in
many kinds of rubber batch. Easily
disperses in rubber; yields non-staining
and non-discoloring products. Mainly
used for in the manufacture of latex
products, foam rubber, latex coating
gloves, etc.