21 oz Aluminized Fiberglass Cloth is woven from continuous texturized E-fiberglass yarns, has good chemical and fire resistant. Aluminum foil is laminated on one side of the fabric.
The foil is designed to stay intact even after exposure to direct heat. A ravel-resistant coating can be applied to one side to further enhance die-cutting operations. 
aluminized fiberglass cloth Typical Applications:
Welding blanket and curtains
Expansion joints
High temperature insulation
Heat shield and containment
Removable insulation cover
Safety clothing

 Content/Weave  100% E-Fiberglass Yarn/Plain
 Fabric Finish  Laminated aluminum foil
 Base cloth Weight  18oz/yd²
 Finished fabric weight  21oz/yd²
 Thickness  0.035”
 Base cloth temp resistance  1000°F(540°C)
 Aluminum Foil temp resistance  1200°F(648°C)
 Adhesive temp resistance  300°F(148°C)
 Size  40”,48”, 60”