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X_Butyl® RB 301

Technical Datasheet | Supplied by ARLANXEO

X_Butyl® RB 301 by ARLANXEO is a non-staining, medium unsaturation isobutylene-isoprene copolymer. It exhibits a high permeation barrier, low-frequency damping and resistance to ozone, oil & heat aging. It provides good heat stability and a fast reversion-resistant cure. X_Butyl® RB 301 is used in adhesives, industrial(seals),building/constructions and automotive applications. It is also recommended for consumer goods, tire and wire & cable connectors.

X_Butyl® RB 301 Properties

Physical Properties

Value & Unit

Test Condition

Test Method

Mooney Viscosity

46 - 56 MU

(ML 1+8, 125°C)

ISO 289

Un-saturated Content

1.85 l%

Volatile Matter

< 0.3 %

(By Weight)

ISO 248

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