6500 ValQua Gaskets 6500 Valqua packing Gasket Sheet (sheet) Compressed Asbestos Sheet of Non-Fiber non-asbestos-laced with heat/chemical resisting rubber Binder, then rolled up and temperature Vulcanized. Application: Used as piping flange and gasket for equipment in a variety of industries. Thickness: 0.5 mm, 0.8 mm, 1 mm, 1.5 mm, 2.mm, 3 mm. Dimension: 127cm X 127cm Temperature Range:-50 to 183