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Elmet Technologies
Momentive Performance Materials FQE 307U Heat Cured Rubber (HCR), Fluorosilicone base compound
Categories: Polymer; Thermoset; Fluoropolymer, TS; Thermoset Fluoroelastomer

Material Notes: FQE 307U fluorosilicone is a base compound to be considered for applications exposed to non-polar fluids and solvents including fuels, oils and greases. This material typically exhibits the combination of excellent compression set with high tensile strength and elongation at break at low density.

Features: Excellent fuel and oil resistance, Excellent heat resistance, Good physical properties, Very low compression set. FQE 307U fluorosilicone is an excellent candidate to consider for applications like: O-Rings, Dynamic valves, Diaphragms, Seals and gaskets in contact with fuels, oils or greases.

Formulation as tested: 100 pbw FQE 307U fluorosilicone with 0.8 pbw 2,5-dimethyl-2,5-di(tertbutylperoxy)hexane (50%). Vulcanization conditions: 10min/170 °C, post-curing: 4h/200 °C in hot air. Using other peroxides might result in different mechanical properties.

Information provided by Momentive Performance Materials.

Vendors:
Available Properties
  • Density, JIS K 6249, Uncured
  • Hardness, Shore A, JIS K 6249
  • Hardness, Shore A, After heat aging 70h/225°C
  • Tensile Strength, After heat aging 70h/225°C
  • Tensile Strength, JIS K 6249
  • Elongation at Break, After heat aging 70h/225°C
  • Elongation at Break, JIS K 6249
  • Tear Strength, JIS K 6252 Crescent
  • Tear Strength, ASTM D 624, Die B.
  • Compression Set, JIS K 6249
  • Processing Temperature, plus 4h at 200ºC post cure vulcanization; as tested. Die B
  
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Manufacturer Notes:
Momentive Performance Materials (GE Silicones)

Category Notes
Plastic

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Rulon Bearings
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