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Plastics & Elastomers
The material selection platform
Plastics & Elastomers
by SpecialChem
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Exxpro™ 3433

Technical Datasheet | Supplied by ExxonMobil Chemical
Exxpro™ 3433 by ExxonMobil Chemical is a brominated copolymer of isobutylene and paramethylstyrene. Offers regular cure rate, high temperature resistance, good heat stability, low permeability and high damping. Also offers good ozone resistance, good weathering resistance and wide latitude in cure & cocure with a variety of rubbers. Possible applications of Exxpro™ 3433 include healthcare industry.
Product Type
Butyl Rubber
Physical Form
Off-white to amber

Exxpro™ 3433 Properties

Physical Properties

Value & Unit
Test Condition
Test Method
Mooney Viscosity
30 - 40 -
(ML 1+8, 125°C,  MV 2000 or equivalent)
ASTM D1646 (mod)
Bromine Content, Benzylic
0.68 - 0.82 mol%
( )
ExxonMobil Method
Water Content
< 0.3 wt%
( )
ExxonMobil Method
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