... of steam preservation are all lower than those of other board heat preservation materials and they have the characteristics of strong ... and colored ripple tile; For making up the heat insulation board in the refrige ration store house for cold preservation and waterproofing ... ) 600,900 600,900,1200 600,900,1200 Length of Board(mm) 1200,1250,2450,2500 1200,1250,2450,2500 1200 ...