CR-3 ZINC OXIDE CAS# 1314-13-2
CR-3 Zinc Oxide is used in natural and synthetic rubber compounds as part of the cure system activation. It can also enhance heat aging properties of the vulcanized rubber. It is typically added at a 3.0 – 5.0 phr level, early in the mixing process except with polychloroprene compounds.
SPECIFICATIONS:
Appearance: White powder
|
*Zinc Oxide
99.9% Min. |
99.9% Min. |
|
*Lead
0.001% Max. |
0.001% Max. |
|
*Cadmium
0.001% Max. |
0.001% Max. |
|
*Copper
0.001% Max. |
0.001% Max. |
|
*Iron
0.001% Max. |
0.001% Max. |
|
*325 mesh U. S. sieve
99.98% Min. |
99.98% Min. |
|
*Loss at 825°C
0.2% Max. |
0.2% Max. |
|
*Surface Area
3.5 – 4.5 m2/g |
3.5 – 4.5 m2/g |
*Reported on Certificate of Analysis
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For CR-3 - ZINC OXIDE
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