AMI-GLAS® (GLTW) is made from 100% fiberglass with a special twill weave. This tough yet flexible heat resistant fabric It is rated to 1000°F (540°C). AMI-GLAS (GL) meets the US Coast Guard and military specifications and is commonly used for hot work in shipbuilding and repair. A heat cleaned AMI-GLAS (GLTW) product is also available.

We do not stock samples of this product at this time.

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  • Product Specs
  • Product Line Information
  • Data Sheets
Product TypeProduct NumberAvailable OptionsAvailable Widths (inches)Weight (oz. per sq. yd)Standard Put-upThickness (inches)PSASeriesUnit of MeasureFabric TypeCont. Op. Temp.3rd Party Spec.Data Sheets
26 oz ClothGLTW2600

9383 Heat Cleaned, RR, Wire Insert

40, 60


50 YD/RL





AMI-GLAS (Fiberglass)

1000°F (540°C)

USCG 164.009-5(F) Test for Incombustibility

Data Sheet

AMI-GLAS Product LineThe workhorse of industrial textiles.

Used for Welding Protection, Insulation, Gasketing, Expansion Joints, Heat Shields and Containment, Oven Door Seals, Emergency Fire Blanket, Tadpole Tape and Machinery, Personnel Protection, Safety Clothing and more. AMI-GLAS® is made of 100% fiberglass, and does not contain asbestos or ceramic.

  • Made with 100% continuous filament fiberglass
  • Upper temperature limit of 1000° F (540° C)
  • Continuous protection up to 1000° F (540° C)
  • Excellent insulation value (K=.419)
  • Tough, flexible and versatile
  • Meets USCG 164.009 for incombustibility
  • Non-hazardous to workers
  • Meets military specifications for shipbuilding and repair
  • Can be dyed, coated and/or aluminized
  • Available with pressure-sensitive adhesive
  • Can be slit or sewn to order, and specially packaged
  • Available in seven colors


Product NumberData Sheets
GLTW2600Data Sheet