China Fire Resistant Fiber Cement Board

Description

The raw materials of fiber cement board are cellulose fiber, silicate cement, quartz sand, water and some additives. It's a kind of high-tech product which formed through accurate dosing by computer program, hatschek craft and compressed by 14000tons hydraulic machine and autoclaved under high temperature and pressure.

Feature

It's 100% free of asbestos, formaldehyde, benzene and other harmful substances and with excellent performance like high strength, large size, light weight, fire and water proofing, green and environmental friendly, high efficient and energy-saving. Therefore, this kind of new material is vigorously developed and recommended by the country.

Specification

Thickness: 3.5-30mm
Standard size: 1220*2440mm or 1200*2400mm
Note: other specification is available
Application

1. Interior and exterior wall; Furred ceiling
2. Insulation materials, floor; Road barrier
3. Sound-adsorbing wall & suspended ceiling
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Technical data- - A. Moderate-Compressed Boar dIndexTest Resultdensity ( g/cm3 )1.44water absorption ( % )28wet expansion ( % )0.17incombustibilityIncombustible Class Awater penetrationNo water drop on the board surface after 24hoursModulus of Ruptureair dried condition14saturated condition10frost resistantNo delamination and crack after 25cycles under freezing and thawingradioactivityDecorative materials Class Aasbestos100% free of asbestosTechnical data--B. Middle Density fiber cement boardIncombustibilityIncombustible Class A1Water penetrationBack side without water drop after 24 hrsModulusof ruptureAir dried condition≥1215Saturated condition≥812RadioactivityDecorative materials Class AAsbestos100% free of asbestosTechnical data--C. High Density fiber cement boardPerformance indexStandard indexTest resultDensity ( g/cm3 )1.4 < D≤1.71.64Water absorption ( % )≤2517.8Wet expansion ( % )≤0.230.15IncombustibilityIncombustible Class A1Water penetrationBack side without water drop after 24 hrsModulus of ruptureAir dried condition≥1820.1Saturated condition≥1415.0Frost resistanceNo layers and no cracks after 25 cycles under freezing and thawingRadioactivityDecorative materials Class AAsbestos100% free of asbestos