Product description
Butyl rubber is a copolymer of isobutylene with isoprene stabilised with a non-staining antioxidant. Product form – briquettes of (30±1) kg.

Dear partners,
Hereby we inform you that from the 1st of February 2018 new abbreviation of the trade name for Butyl rubber produced by LLC SIBUR Togliatti will be changed to:
-Butyl rubber IIR-1675;
-Butyl rubber IIR-1675 grade M.
Characteristics by area of application
Grade Mooney viscosity UML 1+8 (125 °C) Unsaturation, mol % Tensile strength, MPa (Min) Technical documents
IIR-1675 51±5 1,4-1,8 13.0
IIR-1675М 41±6 1,4-1,8 13.0