Fiber cement board

Fiber cement board is a stable performance and light weight building and decoration board used siliceous and calcareous materials as major and natural fiber reinforced,with the process of pulping ,emulsion,forming,pressurization,autoclaving,drying and surface treatment Fire-proof rate:A-class incombustible(GB8624-1997) Incombustibility(min):240minutes(GB/t9978-1999) DENSITY:1.2-1.4/CM3 WATER CONTENT:≤30% SWELLING RATIO: ≤0.40% ANTI-BENDING STRENGTH:≥16MPA FROST RESISTANCE:DO NOT APPEAR CRACKING AND DELAMINATION AFTER 25CYCLES OF FREEZING AND THAWING (GB/T7019-1997) RADIOACTIVITY:STANDARD OF GB6566-2001(A-CLASS DECORATION MATERIALS) Thickness(mm)Length×width(mm)Surface52440×1220Single,double62440×1200surfaces sanding81200×600or tapered edge10600×6001214-30(produced your need sizes)