FIELD: chemistry.
SUBSTANCE: invention relates to flat sealing material for manufacturing cylinder head gaskets. Material represents composite film reinforces with fibre and/or binding substance and made from first fibre (polyetherketone), second reinforcing fibre (aramid, carbon and their mixtures) and binding substance. Sealing material is produced by pressing one or more fibre sheet.
EFFECT: obtaining sealing product which is thermally stable at operating temperature to 330°C and has general layer thickness from 0,01 to 3 mm.
19 dwg
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