HTX-900

EnCore® Combined Materials

Material Description:

HTX-900 is a composite gasket structure consisting of graphite-coated, high-temperature facing material chemically and mechanically fused to an expanded steel core. It is intended for exhaust manifold, header, collector, and EGR system gaskets, as well as other industrial sealing applications that require high strength, thermal integrity, and anti-stick performance. It is available in 0.043, 0.048, 0.060, and 0.093 inch gauges in a sheet size of 20 by 63 inches (usable area).

Specification Properties:

PropertyValueMethod
Density, g/cc(lb/cu.ft) 1.9 (119) (min.) ASTM F 1315
Compressibility, % (at 34.5MPa) 7-17 ASTM F 36
Recovery, % 40 (min.) ASTM F 36
Fluid Resistance, IRM903 Oil   ASTM F 146
          Change in Thickness, % 5 (max.)  
          Change in Tensile, % 30 (max.)  
Fluid Resistance, Fuel B   ASTM F 146
          Change in Thickness, % 7 (max.)  
          Change in Weight, % 15 (max.)  
Fluid Resistance, IRM901   ASTM F 146
          Change in Thickness, % 6 (max.)  
Fluid Resistance, Fuel A   ASTM F 146
          Change in Thickness, % 5 (max.)  

Remarks and Related Documents:

Specification values determined by the test methods required for ASTM F-104, Type 3 materials.

ISO 9001: 2008 Registered

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