PVI ANTISCORCHING Rubber Chemicals
PVI is an effective scorch inhibitor with almost all types of accelerators and in all types of sulphur cured diene rubber based compounds.
Crystaline Powder
Application
PVI is an ideal pre vulcanization (scorch) inhibitor for NR, IR, NR-BR blend, SBR, NR-SBR, SBR-BR blends, NBR, CR and other diene rubber based accelerated sulphur cured compounds.
The product may be used in natural rubber and synthetic rubber. It may protect effectively the rubber material from scorching during Processing, So that to make it possible for extruder and calender to be running at a high temperature and high speed and improve the production capacity of vulcanizer. The product also can improve the storage stabilization of the rubber material, protect natural vulcanization during storage. It has reclaimaion function for rubber material, which bearing high heating or with dangers of scorching.
Technical Specification
Composition Specification: N-(Cyclohexylthio) phthalimide
Melting Point : 90-95 Degree C
|
Item |
Specification |
|
Appearance |
White or Light yellow powdered crystal |
|
Available composition content |
96% Min. |
|
Melting point |
89 -94°C |
|
Heating loss |
0.50% Max |
|
Ash content |
0.10% Max |
|
Residue(150um) |
0.0% Max |
|
Identification IR |
Identical to standard |
Crystaline Powder 20 / 25kg Poly lined poly woven bag / Poly lined paper bag. It is white or yellow crystalline. It can be dissolved in acetone, benzene, toluene, ethyl ether and ethyl acetate as well as warm carbon tetra chloride, ethyl alcohol and heptane. It also can be slightly dissolved in gasoline, but not in kerosene and water.