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Home Impramer Bromobutyl Rubber

Product Information

Bromobutyl rubber is a derivative of butyl rubber produced by its bromination. Bromobutyl rubber is similar to Chlorobutyl rubber in structure and properties however it has higher reactivity therefore offering highly versatile curing system. It can be used in applications requiring gas impermeability, high heat, weather and chemical resistance.

Tubeless Tire inner liners

Pharmaceutical Closures


Properties IMPRAMER
B 2232
B 2247
Unit Test method
Mooney Viscosity (ML 1+8) @ 125°С) (un-massed) 28.0 – 36.0 41.0 – 51.0 MU ASTM D1646
Bromine 1.60 – 2.00 1.60 – 2.00 wt % RSEPL method
Volatile matter 0.70 Max. 0.70 Max. wt % ASTM D5668
Non-Staining Antioxidant 0.05 Min. 0.05 Min. wt % RSEPL method
Ash 0.70 Max. 0.70 Max. wt % ASTM D5667