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Brominated Butyl Rubber

Bromo butyl rubber BIIR is a copolymer rubber of bromo isobutylene and isoprene. It is derived from halogenating butyl rubber with bromine in a continuous process. Bromo butyl rubber products possesse other fundamental advantages including stability at high temperatures, rejuvenating capabilities, stronger resistance, increased adhesion to other rubbers and metals, and lastly, improved ozone and environmental resistance.


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Specification of Brominated Butyl Rubber

Grades

Unit

2302

2402

2502

Appearance

/

White or Amber Bales

Density

g/cm³

0.93

Mooney Viscosity

ML(1+8)125℃

MU

32±5

39±5

46±5

Volatiles

WT%

≤0.7

Antioxidant

WT%

Non-staining ≥0.02

Bromine Content

WT%

2.1±0.2

Total Ash Content

WT%

≤0.7

Stabilizer Content

WT%

1.3±0.3


Packing of Brominated Butyl Rubber

25±0.5kg/bale in EVA film or modified PE film.

Pallets of plywood box of 1050kg with 42 bales.

Pallets of metal box of 1200kg with 48bales.


Application of Brominated Butyl Rubber

Bromo butyl rubber BIIR 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 tire inner liners, medical stoppers, corrosion-resistance lining, protective clothing, shoes production and TPV industry.
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E-mail:
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