Butyl Rubber

IIR is Copolymer rubber of isobutylene and isoprene. Including butyl rubber, brominated butyl rubber and chlorinated butyl rubber.

Butyl Rubber

General introduction

IIR is Copolymer rubber of isobutylene and isoprene. Including butyl rubber, brominated butyl rubber and chlorinated butyl rubber.

Characteristic of IIR:

Superior air impermeability

outstanding performance of heat-resistance

Good chemical corrosion-resistance and thermal aging resistance

Selection Guide:

Type	Grade	Mooney Viscosity ML(1+4)100℃	Application
BIIR	3202	32-35	Widely used in tires, medical rubber stoppers, anti-corrosion lining, protective clothing, shoes, TPV and other production areas.
	3902	32-35
	4602	32-35
CIIR	3812	33-43	Used for tire inner liners, medical stoppers, corrosion-resistance lining, protective clothing, shoes production and TPV industry.
IIR	51	46-56	It can be widely used for inner tubes of tires, tire envelopes, medical stoppers, sealing materials, ball bladders, building sealants, electrical condensers, etc.

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