Suction roll sealing strip

Details Suction roll sealing strip Suction roll sealing strip

D - Textiles, Paper

21

F

D21F 3/10 (2006.01)

Patent

CA 2299814

A composite is provided for forming a sealing ship for use in a suction roll of a papermaking machine or other device for maintaining a seal when brought into contact with a surface and that has extended usability and wear. The composite is a blend of a nitrite rubber, graphite, carbon black, and at least one of a silicone oil or polytetrafluoroethylene as a lubricating agent, optionally with a phenolic resin. The seating strip has silicone oil and/or polytetrafluoroethylene evenly distributed over the contact surface, and when installed into a suction roll or other device, provides a reduced frictional surface.

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