GLT 725 Silicone Fiberglass Cloth

GLT 725 Silicone Fiberglass Cloth

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.

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Product Description

  • Silicone cloth is an excellent moisture barrier, making it a staple of the outdoor insulation industry
  • Provides greater oil and water resistance than uncoated fabrics
  • Low smoke and flame retardation
  • Silicone coating is rated 500 ̊F on a continuous basis


Weight: 17.0 oz yd ± 10%
Base Fabric & Weave: Fiberglass/Plain Weave
Thickness: 0.015 ± 10%
Color & Coating: Gray Silicone
Tensile Strength Method: FTMS 191A/M5102
Temperature Resistance: 500°F
Warp: 175 lbs./in. min. avg.
Fill: 25 lbs. min.
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.

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General Insulation Company Inc. is an insulation supplier / insulation distributor that stocks and fabricates a wide variety of industrial and commercial air barrier, vapor barrier, moisture and water barrier products for the construction market.

High Temperature Cloth SDS

Silcone Glass Cloth Tech

High Temperature Cloth Brochure

Heat Shield High Temperature Fabric Guide