The new engineering materials powerhouse

by SpecialChem

WELL-BIIR™ BIIR-4619

Technical Datasheet | Supplied by Sundow Polymers

WELL-BIIR™ BIIR-4619 by Sundow Polymers is a brominated isobutylene-isoprene copolymer. Possesses low mooney viscosity. Exhibits good curing performance and superior air impermeability. Offers outstanding heat-, chemical-, corrosion- and thermal aging resistance. Recommended for tire inner liners, medical stoppers, corrosion-resistance lining, protective clothing, shoes production and TPV industry. WELL-BIIR™ BIIR-4619 has a shelf life of 2 years under 35°C.

WELL-BIIR™ BIIR-4619 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Mooney Viscosity

41 - 47 MU

(ML1+8, 125°C)

ISO 289/ASTM D1646

Volatiles Content

< 0.7 %wt

ISO 248/ASTM D5668

Bromine Content

1.7 - 2.1 %wt

Q/XH-FX 100-2012

Want to list or
update your products?

View the listing options

Want to report errors or
suggest improvements?

Send a Feedback

Products with the same brand name

View more (3)