PTFE Encapsulated Silicone Square Ring

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  • FOB Price: US $0.5 - 9,999 / Piece
  • Min.Order Quantity: 100 Piece/Pieces
  • Supply Ability: 10000 Piece/Pieces per Month
  • Port: Shanghai
  • Payment Terms: L/C,D/A,D/P,T/T
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  • Product Detail

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    Encapsulation:

    FEP

    The most versatile when considering overall corrosion resistance, sealing capability and temperature.Temperature range -450 to + 400 degrees F. (-267 to 205 degrees C)

    PFA

    A fluorocarbon copolymer similar to FEP but it also offers greatly improved mechanical and creep properties at elevated operating temperatures. Temperature range -450 to +500 degrees F. (-267 to +260 degrees C).

    Physical Properties of Encapsulated O-rings:

    Core material:    

    Silicon rubber: 85-90A

    Viton elastomers: 90-95A

    Hollow Silicone Rubber:  75-80A

    Water absorption: <0.01 

    Features:

    1.Excellent chemical resistance, is suitable for almost all chemical medium (strong oxidation, reducing solvent);

    2.Good corrosion resistance ( Strong acid and alkali solvent );

    3.Wide temperature range -200°C~260°C; 

    4.Good compression resistance ≥30%;

    5.Low Coefficient of Friction (only 0.1 ~ 0.2);

    6.Good resistance to dissolve (≤0.1%) ;

    7.High pressure resistantance(up to 60Mpa );

    8.Excellent sealing persistence , increase 500% life time. 

    Applications:

    Corrosive Fluid Seals

    Disconnect Piping Systems

    Vacuum Service

    Relief And Emergency Valves

    Large Diameter Access Cover.

    Pressure VesselslCompressors

    Face Flange Seals

    Glass Heat Exchanger

    Dairy And Beverage Service

    Butterfly Valves


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