Meyors Chemical CENWAY BI IR 2302

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Meyors Chemical CENWAY BI IR 2302
Categories:	Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)
Material Notes:	Composition: Copolymer rubber of brominated Isobutylene-Isoprene, low Mooney viscosity, normal cure rate grade. Applications: Bromobutyl Rubber BI IR 2302 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. Information provided by Meyors Chemical INC Limited
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Physical Properties	Original Value	Comments

Volatiles	<= 0.70 %	ISO 248/ASTM D5668
Mooney Viscosity	27 - 37 @Temperature 125 °C	ML1+8; ISO 289/ASTM D1646
Ash	<= 0.70 %	ISO 247/ASTM D5667

Component Elements Properties	Original Value	Comments
Bromine, Br	1.70 - 2.10 %

Descriptive Properties
Appearance	Off-white
Content	>0.02%	Antioxidant (non-staining)
	1-1.6%	Stabilizer
Cure Characteristics	0.9-3.9 min	ts1, Rotorless cur (MDR)
	1.6-3.4 dN-m	FL, ISO 6502/ASTM D5289
	3.3-7.1 min	tc50, 160?×40min, 0.5°arc
	5-11.6 min	tc90, 160?×40min, 0.5°arc
	6-8.8 dN-m	FH, ISO 6502/ASTM D5289

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PMEYORS017 / 316599

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