Articles
Butyl Rubber
CENWAY I IR 532
Composition
Butyl Rubber Cenway I IR 532 is a copolymer rubber of isobutylene and isoprene.
Basic Properties
Properties | Unit | Index | Test Method |
---|---|---|---|
Appearance | Off-white | Visual | |
Mooney Viscosity | MU | 51±5 | ISO 289/ASTM D1646 |
Volatiles | wt% | ≤ 0.3 | ISO 248/ASTM D5668 |
Total Ash | wt% | ≤ 0.3 | CENWAY METHOD |
Antioxidant | wt% | ≥ 0.03 | ISO 247/ASTM D5667 |
Applications
Regular Butyl Rubber I IR-532 has superior air impermeability, outstanding performance of heat-resistance, chemical corrosion-resistance, thermal aging resistance, and good curing performance. It can be widely used for innertubes of tires, medical stoppers, ball bladders, sealing materials and electrical insulations.
Safety & Toxicity
I IR-532 is polymer in solid with stable performance. It is harmless and not dangerous for humans, plants and animals. For relevant safety data and reference, please refer to MSDS.
Packaging
25 ± 0.5 kg/bale in modified PE film.
Pallets of plywood box of 1050 kg with 42 bales.
Pallets of metal box of 1200 kg with 48 bales.
Storage Life & Conditions
Three years with keeping storage & transport under 35℃ and against sunlight.