Technical datasheet

IR SKI-3 Group II

Supplied bySibur- Last Updated on Aug 7, 2025

IR SKI-3 Group II by Sibur is a cis-isoprene synthetic rubber grade. Contains darkling antioxidant. It is insoluble in water and soluble in aromatic solvent. IR SKI-3 Group II is recommended for tire tread production, tire breaker production, tire sidewall production, hoses (hose products), cable insulation, tire carcass production, conveyor belts and driving belt applications. Complies with REACH (EC) No 1272/2008 regulation.
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IR SKI-3 Group II properties

Flammability properties

PropertiesValue & unitTest conditionTest method
Auto-ignition Temperature0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Maximum Torque (MH)0.0 Visible After LoginVisible After LoginVisible After Login
Minimum Torque (ML)0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Ash Content0.0 Visible After LoginVisible After LoginVisible After Login
Iron Content0.0 Visible After LoginVisible After LoginVisible After Login
Viscosity, Mooney0.0 Visible After LoginVisible After LoginVisible After Login
Volatile Content0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Prevulcanization start time (ts1)0.0 Visible After LoginVisible After LoginVisible After Login
Time to 50% vulcanization (T50)0.0 Visible After LoginVisible After LoginVisible After Login
Time to 90% vulcanization (T90)0.0 Visible After LoginVisible After LoginVisible After Login
Titanium Content0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Glass Transition Temperature (Tg)0.0 Visible After LoginVisible After LoginVisible After Login
Ignition temperature0.0 Visible After LoginVisible After LoginVisible After Login

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