Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Dow SILASTIC EFX70MLC10 Fluorosilicone Compound

Dow SILASTIC EFX70MLC10 is a high-performance fluorosilicone compound from Dow’s SILASTIC elastomer series. It offers exceptional resistance to fuels, oils, and extreme temperatures while maintaining silicone-like flexibility and compression set resistance. Ideal for aerospace, automotive, and oilfield sealing applications requiring long-term chemical and thermal stability.
  • dow silastic efx70mlc10 fluorosilicone compound_ecc68ca7
  • dow silastic efx70mlc10 fluorosilicone compound_ecc68ca7

Features Of Dow SILASTIC EFX70MLC10 Fluorosilicone Compound

  1. Excellent resistance to fuels, oils, and aggressive hydrocarbon-based chemicals across wide temperature ranges.

  2. Outstanding low-temperature flexibility down to –60 °C with retained elastomeric performance.

  3. High thermal stability, maintaining mechanical integrity up to 200 °C for extended service life.

  4. Good compression set resistance, ensuring reliable sealing performance after prolonged compression.

  5. Processable via standard high-temperature vulcanization (HTV) methods including extrusion and compression molding.

Typical Applications Of Dow SILASTIC EFX70MLC10 Fluorosilicone Compound

  1. Aerospace fuel system seals and gaskets exposed to jet fuels and synthetic lubricants.

  2. Automotive under-hood components requiring resistance to engine oils and transmission fluids.

  3. Oil & gas downhole instrumentation seals operating in sour gas (H₂S) and hydrocarbon environments.

  4. Industrial fluid handling systems where compatibility with aromatic solvents and chlorinated agents is critical.

  5. Medical device components requiring biocompatibility support and chemical resistance during sterilization.

Specifications Of Dow SILASTIC EFX70MLC10 Fluorosilicone Compound

Chemical TypeFluorosilicone elastomer (FVMQ)
Product FormUncured gum stock (high-consistency rubber)
AppearanceLight amber to pale yellow, homogeneous sheet or slab
Primary ApplicationsStatic and dynamic sealing in aggressive chemical environments
Key FeaturesFuel/oil resistance, low-temp flexibility, thermal stability, compression set resistance
Processing MethodHigh-temperature vulcanization (HTV); compatible with extrusion, calendering, compression molding
Cure SystemPeroxide-curable
Shelf Life12 months at ≤25 °C in original unopened packaging


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