This product appears as amber to brown slice or powder. It's specific weight is 1. 05, dissolves in benzene, chloroform and acetone, insoluble in water, slightly soluble in petroleum hydrocarbon.

Rubber Antioxidant RD
Index Item            Grade I         Grade II
Appearance           Amber to     brown slice
Softening point:     80 ~ 100       80 ~ 100
Heating lose: %≤      0.30             0.50
Ash contant: %≤      0.30             0.50