Ceramic paper of one side coated with Alu. Foil Thickness: 1mm, 2mm, 3mm, 4mm, 5mm Width: 0.61m ... Length: 20m ~ 30m Ceramic paper of one side coated with Alu. FoilIt uses ceramic paper with thickness of 1mm, 2mm, 3mm ... , 4mm and 5mm which stand 1250oC to compound with Alu. Foil 22um to improve its properties of heat insulation.Specification ...