Kalrez® 7800

Kalrez® 7800

DuPont™ Kalrez® AeroSeal™ 7800 perfluoroelastomer parts are a specialty black product that meets the requirements of Aerospace Material Specification (AMS) 7257. It offers outstanding thermal stability and compression set resistance along with excellent seal force retention properties. It also offers excellent resistance to High Thermo-Oxidative Stability (HTS) gas turbine engine lubricating oils and has excellent response to temperature cycling effects.

 
 
 

Features & benefits

Minimized the corrosion of the titanium and stainless steel
  • Minimized the corrosion of the titanium and stainless steel
  • Low corrosion on metals after exposure to high temperature
  • Low corrosion on metals after exposure to high temperature
  • Well suited for both static and dynamic sealing applications
  • Well suited for both static and dynamic sealing applications
  • Excellent resistance to high thermo-oxidative stability (HTS) gas turbine engine lubricating oils
  • Excellent resistance to high thermo-oxidative stability (HTS) gas turbine engine lubricating oils
  • Excellent mechanical properties
  • Excellent mechanical properties
  • Excellent response to temperature cycling effects
  • Excellent response to temperature cycling effects
  • Excellent seal force retention properties
  • Excellent seal force retention properties
  • Outstanding thermal stability and compression set resistance
  • Outstanding thermal stability and compression set resistance
  • Resistance to metal corrosion or discoloration
  • Resistance to metal corrosion or discoloration
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    Available Sizes

    Gross Weight Net Weight Carton Each Carton Length Carton Weight Carton Height
    0 0 0
    0 0 0
    0 0 0
     
     
     

    Physical Property

    Property Value Unit Method
    Elongation at Break ASTM D412/D1414 (AS568 K214 O-ring test specimens) % 150
    Maximum Service Temperature DuPont proprietary test method °C (°F) 325 (617)
    Compression Set , 70 hrs. at 204, °C (400 °F) ASTM D395B/D1414 (AS568 K214 O-ring test specimens) % 20
    Compression Set , 70 hrs. at 300, °C (572 °F) ASTM D395B/D1414 (AS568 K214 O-ring test specimens) % 52
    Color - Black
    Tensile Strength at Break ASTM D412/D1414 (AS568 K214 O-ring test specimens) MPa (psi) 20.1 (2928)
    Temperature of Retraction (TR-10) ASTM D1329 (Test slabs as specimen) °C (°F) -3 (27)
    100% Modulus ASTM D412/D1414 (AS568 K214 O-ring test specimens) MPa (psi) 11.3 (1642)
    Hardness ASTM D2240 (Test pellet test specimens) Shore A 75
     
     
     
    Product Details

    Fabric/material

    MBO 7800AMS

    Design

    7800AMS

    Seam

    7800AMS

    Packaging

    7800AMS

    Hazard

    Coated Material

    MBO 7800AMS

    Features

    MEDIUM BLACK ORING

    Color

    BLACK

     
     
     
    Technical Resources
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