Product information Product name fiber cement board Raw materials cellulose fiber, quartz sand, por Maxium width 1250mm Maximum length 4880mm Thickness 4-30mm Density 1.5-1.7g/cm3 Wet expansion 0.23% Water absorption 25% Incombustibility incombustible class a1 Water penetration back side without water drop after 24 hours Flexural strength air dried condition: 18; saturated condition: 14 Radioactivity decorative materials cla ss a Frost resistance no layers an d no cracks after 25 cycles under freezing and thawing Asbestos 100% free of asbestos Certification iso, ce, sgs Packaging standard wooden pallet Other special size also available. Please check with the sales. Now, available stock of special size is: High density 4mmx1220mmx1768mm/1830mm High density 4.5mmx1220mmx2100mm Middle density 10mmx1220mmx2100mm.
