Doniflex® GEM

Material GEM
Composition Graphite, Aramid Fibers, NBR. Reinforced by Expanded Sheet.
Colour Grey
Properties The expanded metal reinforcement permits the optimization of surface pressure distribution on the assembled gaskets. The Gasket material also exhibits high sealing performance against gases at elevated temperatures.
Industries Pipeline System, Gas Supply, Chemicals Industry, Machine Building, Power Plants, Valves
Certificates On request


Density DIN 28090-2 g/cm3 1.7
Stress Resistance
16 h, 50 MPa, 175 °C DIN 52913 MPa 40
16 h, 50 MPa, 300 °C DIN 52913 MPa 35
Specific Leak Rate DIN 3535-6 mg/(s.m) 0.1

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