Butyl Rubber IIR is a copolymer of isobutylene and a small amount of isoprene. Bromobutyl Rubber BIIR is a brominated copolymer of isobutylene and a isoprene. chlorobutyl Rubber CIIR is a chlorinated copolymer of isobutylene and a isoprene.
Grade | Mooney Viscocity ML(1+4) | AN(%) | Key Features | Purpose |
---|---|---|---|---|
BK-1675 | - | - | - | - |
RB-301 | - | - | - | - |
BROMO X2 | - | - | - | - |
CB-1240 | - | - | - | - |