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X_Butyl® BB 2040

Technical Datasheet | Supplied by ARLANXEO

X_Butyl® BB 2040 by ARLANXEO is a non-staining, brominated isobutylene-isoprene copolymer grade. It exhibits very low permeability to gases & liquids and excellent resistance to weathering, ozone, oil & heat. It offers high hysteresis for energy absorption, high damping, good low-temperature flexibility and resistance to acidic & basic chemicals. It shows a fast reversion-resistant cure and excellent aging properties. X_Butyl® BB 2040 is used in adhesives, tire, medical and consumer goods applications. It is also recommended for industrial, automotive and building/construction applications.

X_Butyl® BB 2040 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Mooney Viscosity

35 - 43 MU

(ML (1+8), 125°C)

ISO 289

Ash Content

< 0.7 t%

(By Weight)

ISO 247

Volatile Matter

< 0.7 t%

(By Weight)

ISO 248

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