Silicone/Fiberglass Cloth - Style 725 | GLT Products

Silicone/Fiberglass Cloth - Style 725

Fiberglass base fabric that has been impregnated with our specially formulated silicone rubber compound. This silicone coating adds extended life, while providing greater oil and water resistance than uncoated fabrics as well as low smoke and flame retardation.


  • Weight: 17.0 oz. yd. ±10%.
  • Base Fabric and Weave: Fiberglass/plain weave.
  • Thickness: 0.015˝ ±10%.
  • Color and Coating: Gray silicone.
  • Tensile Strength Method: FTMS 191A/M5102.
    • Warp: 175 lbs./in. min. avg.
    • Fill: 25 lbs. min.
  • Temperature Resistance: 500°F.
  • Tear Strength Method: FTMS191A/M5136.
    • Warp: 35 lbs. min. avg.
    • Fill: 25 lbs. min. avg.
  • Flame Resistance: Method FTMS 191A/M5903.
  • Flame Out: 1 second.
  • Afterglow: 3.0 seconds.
  • Char Length: 0.
  • Burst Strength Method: FTMS 191A/M5122 (Mullen), 175 lbs. in. min. avg.
  • Hydrostatic Resistance Method: FTMS191A/M5512 (Mullen), 200 lbs. in. min. avg.

Although base fabric is rated 1,000° F continuous operating temperature, silicone coating is rated 500°F on a continuous basis. Style 725 is a fiberglass fabric meeting MIL-I-20079G. It is designed specifically for high temperature (500o F) removable pads (flange and valve covers). The product meets Military Spec. MIL-I-224244.

Note: Material should be tested for its suitability in any application. Users should also familiarize themselves with the MSDS before handling.


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