... of steam pervasion are all lower than those of other board heat preservation materials and they have the characteristics of strong ... power (kw) 33 52Driving motor power(kw) 55 55Thickness of board (mm) 20,50,30,40,50,60,75,100Width of ... board (mm) 600,900,1200Length of board (mm) 1200Production capacity (kg/h) 320-400Installed ...