... heartinsulation, 3,firmly, 4,durable, 5,fireproof 6,anti-freezing. 7,alkali and acid resistant, 8,high strong anti cracking ... and maintain Application : 1,huge hardware chemistry ceramics aluminum processing factory buildings. 2,large storehouse. 3,large exhibition wholesale ... .66 This machine belongs to fully automatic boards production line, it can produce wallboards ,partition board and decoration ...