ValQua 6500 6500 Valqua Packing Gasket Gasket Sheet (sheet) Non-Compressed Asbestos Sheet of non-asbestos Fiber mixed with heat/chemical resisting rubber Binder, then rolled up and temperature Vulcanized. Application of:D used as piping flange and gasket for equipment in a variety of industries. Thickness: 0.5 mm to 5 mm rubber rolls