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James Walker® Gaskets & Jointings > Commercial grade elastomers



  Commercial grade elastomers
Commercial Butyl 338C
 
DESCRIPTION
Isobutylene-isoprene elastomer, black in colour with a smooth finish.
 
TYPICAL APPLICATIONS
Duties where the extremely low permeability of butyl is required, together with its good resistance to phosphate esters, dilute acids and alkalis. Temperature range: –30°C to +100°C.
 
PHYSICAL PROPERTIES
Hardness, IRHD 60 ±5
Density, Mg/m3 1.3
Tensile strength, MPa min 4.5
Elongation at break, % min 350
Compression set, % (24h @ 70°C) 35
 
HOW SUPPLIED
Precision cut gaskets to any shape, size or quantity. In sheets: 1.3m x 1m.
Rolls: 20m x 1.3m, 10m x 1.3m, 5m x 1.3m. Thicknesses: 1.5mm, 3mm, 4mm, 5mm, 6mm, 8mm.