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

Dow SILASTIC LS 5-8754 Fluorosilicone Rubber

Dow SILASTIC LS 5-8754 Fluorosilicone Rubber is a high-performance elastomer combining silicone flexibility with fluorocarbon resistance. Designed for extreme environments, it offers exceptional stability against fuels, oils, solvents, and elevated temperatures up to 200°C. This LS-series compound features low compression set, excellent electrical insulation, and reliable sealing in aerospace, automotive, and oilfield applications.
  • dow silastic ls 5 8754 fluorosilicone rubber_15c5e012
  • dow silastic ls 5 8754 fluorosilicone rubber_15c5e012

Features Of Dow SILASTIC LS 5-8754 Fluorosilicone Rubber

  1. Excellent resistance to aggressive fuels, lubricants, and aromatic hydrocarbons.

  2. Broad service temperature range from –60 °C to +200 °C with retained elasticity.

  3. Superior compression set resistance compared to standard silicone elastomers.

  4. Good low-temperature flexibility and weathering stability.

  5. Compatible with standard high-temperature vulcanization (HTV) processing equipment.

Typical Applications Of Dow SILASTIC LS 5-8754 Fluorosilicone Rubber

  1. Aerospace fuel system seals and gaskets.

  2. Automotive under-hood components exposed to synthetic oils and biofuels.

  3. Oil and gas downhole instrumentation seals.

  4. Military-grade electronic enclosures requiring chemical and thermal resilience.

  5. High-reliability industrial hose linings and diaphragms.

Specifications Of Dow SILASTIC LS 5-8754 Fluorosilicone Rubber

Chemical TypeFluorosilicone elastomer (VMQ-based with fluorinated side groups)
Product FormTwo-part high-consistency rubber (Part A: polymer base; Part B: platinum catalyst)
AppearanceOff-white to light tan, gum-like uncured compound
Primary ApplicationsStatic and dynamic sealing in chemically demanding environments
Key FeaturesFuel/oil resistance, thermal stability, low compression set, platinum-cured
BenefitsExtended service life in harsh fluid exposure, reduced maintenance, regulatory compliance for aerospace and defense
Curing SystemPlatinum-catalyzed addition cure (hydrosilylation)
Shelf Life12 months at ≤25 °C in original unopened packaging


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