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Description
Chieftain® is James Walker's premium grade universal sheet jointing. Its formulation contains an advanced carbon fibre material and a nitrile rubber (NBR) binder. An anti-stick finish to both surfaces is supplied as standard.
Prime features
Specifications
Physical properties
(Typical values for 1.5mm thick material)
Density, Mg/m³ : 1.6
Transverse tensile strength, MPa : 9.0 (ASTM F152)
Residual stress, MPa : 28.0 (BS7531)
Compressibility, % : 10.0 (BS7531)
Recovery, % : 60.0 (ASTM F36J)
Flexibility after accelerated ageing : Pass (BSF125)
Gas permeability, ml/min : <1.0 (BS7531)
Leachable chloride ion content, ppm : <100
Fluid immersion properties
ASTM oil 3, % thickness increase, 5h @ 150°C : 6.0 (BS7531)
Water, % thickness increase, 5h @ 100°C : 5.0 (BS7531)
ASTM fuel B, % thickness increase, 5h @ RT : 8.0 (ASTM F146)
Sodium hydroxide, % thickness increase, 10h @ 100°C : 13.0
Service capability
For service capability graphs click here to refer to the Gaskets & Jointings guide pdf (1.58MB).
How supplied
Precision cut gaskets to any shape, size and quantity. In sheets 2.0m x 1.5m, 1.5m x 1.0m. Thicknesses: 0.5mm, 0.75mm, 1.0mm, 1.5mm, 2.0mm. Please note that 3.0mm is also available but is not recommended.
Click here to download the Gaskets & Jointings guide pdf (1.58MB)
