Features 1、Widely used: Used for various applications in metal, glass, ceramics, and Production industries. 2、 Suitable for: Lightweight fibers for various ranges of weight loads. 3、 Exquisite workmanship: Thickness and density of even, fine workmanship. 4、 Fire performance: It is safer to use Class A1 non-combustible materials. 5、 A variety of sizes: There are different sizes to choose from to meet your needs. Specifications Insulation coefficient: 0.045 Fire performance: Class A1 non-combustible material (Class A1: non-flammable, no flame) Material: ceramic fiber + single-sided aluminum foil Temperature resistance: 950-1400 °C Material: ceramic fiber + single-sided aluminum foil Specifications: 1000mmx610mm/40*24in, thickness: 10mm/0.4 in, approx. 820 g 1000mmx610mm, /40*24 in, thickness: 20mm/0.8 in, about 1500 g 1000mmx610mm/40*24in, thickness: 30mm/1.2 in, approximately 1980 g Tips: Aluminum foil is a non-refractory auxiliary kit with some water resistance and high temperature resistance of approximately 200 degrees. When the skin comes into contact with the skin, the skin will be slightly itchy. There is no smell at high temperatures. You dont have to worry. Rubber gloves and masks can be worn. Children should not be in contact. Package List 1* heat insulation blanket :