Antioxidant SP-P
Chemical Name
Mixture of Styrenated phennols and Silica
Physical Properties
A white powder with light typical odor. Partly soluble in ethyl alcohol, acetone, benzene, and trichloroethane etc. Insoluble in water.
Specifications
Refractive rate 25°C(cps) | 1.6010 ± 0.005 |
pH value | 5.5~8.5 |
Viscosity of Antioxidant SP 25°C(cps) | ≥8000 |
Application Range
1. Antioxidant SP/P is a mixture of liquid Antioxidant SP and silica. Just as SP, Antioxidant SP/P can be used in natural rubber, synthetic rubber and latiecs. It acts good protection against aging caused by heat, flexing, light and whether.
2. It neither discolors nor contaminates the combined material. It is easily dispersed without blooming phenomenon.
3. It is mainly used for shoes material, rubberized fabric, latex sponge, white color product, vivid color product and transparent product.
4. It also can be used for avoid forming gelatin in SBR.
Dosage
Recommend dosage:1.0-3.0 PHR.
Package and storage
1. 20kg in paper bag (PE membrane inside).
2. Sealed storing：Keep in cool, dry and well-ventilated places.
3. Storage life：Longer than three months in normal storing conditions.