Gaskets and Sheet Jointings
338C - Commercial Butyl (IIR)
Isobutylene-isoprene (butyl) rubber (IIR), black in colour, with a smooth finish as standard.
Duties where the extremely low permeability of butyl is required, together with its good resistance to phosphate esters, dilute acids and alkalis. Temperature range is -40°C to +120°C.
(Unless otherwise stated, values are typical)
Hardness, IRHD: 60
Density, Mg/m³ : 1.50
Tensile strength, MPa minimum: 5
Elongation at break, % minimum: 500
Precision cut gaskets to any shape, size or quantity. Also in rolls and sheets, width: 1.4m. Thicknesses: 1.5mm, 3mm, 5mm, 6mm. Other dimensions can be supplied.