... ,airtight, anticorrosion ,aging resistance XPS Heat Insulation Foamed Plate Extrusion Production Line Has a perfect closed-pore alveolate structure .Its density, water ... ) 75 5590 9055 55Thickness of board ( mm ) 20,25,30,40,5060,75,10040,50,60,75100,12020,50,30 ... ,40,5060,75,100Width of board ( mm ) 600,900,1200600,900,1200600,900,1200Length of board ( mm ) 1200,1250,2450,2500 Production ...