MBG-H

EnCore® Combined Materials / Mechanically-Bonded Fiber

Material Description:

MBG-H is a high performance gasket material combining expanded graphite facings on 0.2mm (0.008”) tang perforated tin-plated steel core. It is ideally suited for internal combustion engine applications such as head gaskets and exhaust flange gaskets. MBG is compressible and resilient, yet offers excellent bolt torque retention, excellent chemical resistance, and is heat resistant for exhaust gas sealing applications up to 550°C (1000°F) or higher when shielded. The typical values below were established using an overall thickness of 1.2mm (0.047”).

Specification Properties:

PropertyValueMethod
Density, g/cc(lb/cu.ft) 1.44 (90) (facings only) ASTM F 1315
Compressibility, % (at 34.5MPa) 21-27 ASTM F 36
Recovery, % 24-30 ASTM F 36
Tensile Strength, AMD, MPa(psi) 37.9 (5500) ASTM F 152
Creep Relaxation, % (at 815°C) 6-10 ASTM F 38
Fluid Resistance, IRM903 Oil   ASTM F 146
          Change in Thickness, % 4-8  
          Change in Weight, % 12-16  
Fluid Resistance, Fuel B   ASTM F 146
          Change in Thickness, % 2-6  
          Change in Weight, % 8-12  

Remarks and Related Documents:

Specification values determined by the test methods required for ASTM F-104, Type 7 materials.

ISO 9001: 2015 Registered

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