AMI-SIL® (SAS) Cloth

AMI-SIL® (SAS) is made from 96% silica (minimum) cloth with a cured silicone rubber on one side. The herringbone weave hot work textile is rated to 1800°F (980°C) and has been tested and FM Approved as a welding blanket. FM approved hot work fabrics are now required by NFPA 51B.

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  • Made in the USA Flag
  • FM Approved Logo
  • Product Specs
  • Product Line Information
  • Data Sheets
Product TypeProduct NumberUnit of MeasureFabric TypeCont. Op. Temp.FM ApprovedWeight (oz. per sq. yd)Performance CategorySeriesThickness (inches)Available Widths (inches)Application EnvironmentApplication Rating KeyNotesData Sheets
SAS2400-1 29 ozSAS2400-1


AMI-SIL (Silica)

1800°F (980°C)






60, 36

Horizontal, Indoor, Outdoor, Vertical

09 Best

Silicone-coated AMI-SIL (500°F/260°C) temperature resistance reflects limitation of silicone coating.

Data Sheet

AMI-SILThe ultimate in ceramic-free high temperature protection!

Used for Welding/Cutting Protection, Molten Metal Splash Protection, Heat and Flame Shielding, Stress Relief, Insulation, Hose and Cable Protection, Emergency Fire Blankets, Tadpole Tapes, Oven Door Seals, Gasketing and more. AMI-SIL® is made of 96% silica, and does not contain asbestos or ceramic.

  • Continuous protection to 1800°F (980°C)
  • Melting point in excess of 3000°F (1650°C)
  • Minimum 96% amorphous silica content
  • Safe substitute for ceramic in refractory applications
  • Optimal choice for welding protection
  • Meets military specification MIL-C-24576
  • Flexible and chemical resistant
  • Low thermal conductivity
  • Low halogens and soluble chlorides
  • Aluminization process consists of an aluminized polyester film, which is added for reflective capabilities only
  • Available in natural


Product NumberData Sheets
SAS2400-1Data Sheet