The new engineering materials powerhouse

by SpecialChem

WELL-BIIR™ CIIR-3812

Technical Datasheet | Supplied by Sundow Polymers

WELL-BIIR™ CIIR-3812 by Sundow Polymers is a low mooney viscosity chlorinated isobutylene-isoprene copolymer. Offers outstanding heat-, chemical-, corrosion- and thermal aging resistance. Shows superior air impermeability and good curing performance. Designed for tire inner liners, medical stoppers, corrosion-resistance lining, protective clothing, shoes production and TPV industry. WELL-BIIR™ CIIR-3812 has a shelf life of 2 years under 35°C.

WELL-BIIR™ CIIR-3812 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Mooney Viscosity

33 - 43 MU

(ML1+8, 125°C)

ISO 289/ASTM D1646

Volatiles Content

< 0.7 %wt

ISO 248/ASTM D5668

Scorch Time (ts₁)

0.3 - 2.1 min

(Rotor less cure (MDR), CIIR-1301 100, IRB#7 40, ZnO 5, St.A 1)

ISO 289/ASTM D1646

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)