Calcium silicate fireproof board:Temperature Limitation: 1000℃. Fire resistance: 1.5 - 3h. Maximum size: 1050 x 850 mm 1000 x 500 mm. Thickness: 20 - 50 mm.It is used for steel structure buildings and core of fire door.Calcium silicate insulation board:Temperature limitation: 1000℃. Maximum size:1050 x 850 mm 1000 x 500 mm. Thickness: 25 - 140 mmIt is used for industrial furnaces, buildings and deck of ships etc.We are Laizhou Mingfa Insulation Materials Co., Ltd, which is a big enterprise to produce calcium silicate thermal insulating products in China, yearly production up to 70,000m3.