An anti wear -resisting high temperature resistant compound needled felt
The utility model relates to an anti wear -resisting high temperature resistant compound needled felt, include the base cloth, gather tetrafluoro membrane, a polysulfonamide fiber layer, the 2nd polysulfonamide fiber layer, PPS fibrous layer, PTFE fiber layer and oxidation resisting layer, the two s...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to an anti wear -resisting high temperature resistant compound needled felt, include the base cloth, gather tetrafluoro membrane, a polysulfonamide fiber layer, the 2nd polysulfonamide fiber layer, PPS fibrous layer, PTFE fiber layer and oxidation resisting layer, the two sides is equipped with and gathers the tetrafluoro membrane about the base cloth, two are gathered an epimembranal polysulfonamide fiber layer and the 2nd polysulfonamide fiber layer of being equipped with respectively of tetrafluoro, be equipped with the PPS fibrous layer on the polysulfonamide fiber layer, the PPS fibrous layer is embedded to have one deck corrosion -resistant layer, PPS fibrous layer upper end still is equipped with the oxidation resisting layer, corrosion -resistant layer is the PTFE fiber layer, the utility model discloses a composite bed column structure has guaranteed that it has anti higher characteristics, still has higher oxidation resistance simultaneously, and is high temperature resista |
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