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Ensinger PEI
DuPont Mobility and Materials Kalrez® 1058 FFKM Perfluoroelastomer  (discontinued **)
Categories: Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer; Rubber or Thermoset Elastomer (TSE)

Material Notes: A carbon black-filled compound that has been plasticized with perfluorinated oil. It is the softest, lowest modulus compound in the Kalrez line. Generally it is similar in resistance to Compound 1050LF. Typically used in applications that require low sealing force or high extensibility including liquid chromatography septa, seals/seats for relief valves and tubing. Its shrinkage is higher than other Kalrez compounds.

Vendors:
Available Properties
  • Density
  • Hardness, Shore A, ASTM D2240
  • Tensile Strength, Ultimate, ASTM D412
  • Elongation at Break, ASTM D412
  • 100% Modulus, ASTM D412
  • Tear Strength
  • Compression Set, 70 hr at 204°C; ASTM D395B; Pellets
  • Electrical Resistivity
  • Dielectric Constant
  • Dielectric Strength
  • Dissipation Factor
  • CTE, linear
  • CTE, linear
  • Specific Heat Capacity
  • Specific Heat Capacity
  • Specific Heat Capacity
  • Thermal Conductivity
  • Thermal Conductivity
  • Thermal Conductivity
  • Maximum Service Temperature, Air
  • Brittleness Temperature, ASTM D746
  
Property Data

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Manufacturer Notes:
DuPont Performance Polymers (Former DuPont Elastomers)

Category Notes
Plastic

**
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