| | [ FILLED PTFE]
Filler: glass fiber; carbon fiber; MoS2; graphite; PI; PPS; SiO2 ; bronze powder; ekonal; polyphenyl, etc.
Produc No. Filled compound and Content by wt Tensie strength MPa( min) Ultimate strength % ( min) Compresive strength MPa( min)
1 20% glass fiber 10 120 16
2 25% glass fiber 10 100 16
3 20% glass fiber 5% graphile 10 120 16
4 60% Bronze 10 80 20
5 15% carbon fiber 11 130 16
6 24% Bronze 12% glass fiber 6% graphile 9 100 16
7 15% glass fiber 10% Polyikmide 5% graphile 10 120 16.7
Application Necessary proerties Suggested grades of filled PTFE
Gaskets Creep resistance, chemical resistance # 1 # 2 # 3 # 5
Valve seas Creep resistance, Lowfriction, chemical resistance # 1 # 2 # 3 # 5
Packings Creep resistance, Lowfriction, Low wear, chemical resistance, stiffness # 1 # 3 # 5 # 7
Bearings Low wear, Lowfriction Creep resistance # 1 # 4 # 5 # 6
Bearing Pads Creep resistance, Lowfriction, resistant to weathering # 3
Piston rings Creep resistance, Lowfriction chemical resistance, stiffness # 1 # 2 # 3 # 5 | | |
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