1) 100% asbestos free2)Antiflex cracking strength: ≥16Mpa
3)Water adsorption rate: ≤28%4) Water Impermeability :Through water immersing for 24th, no water drop appeared on bottom surface.
5)Freezing resistance:Through cyclically freezing and melting 25 times, no damage stratification
6)Radioactivity:Conforming to GB6566-2001A Class.
Specification:standard size: 1220X2440mm (1200X2400mm available)thickness: 4mm, 5mm, 6mm.........to 28mmDensity: 1.2---1.4g/cm3 Colors: grey (Cement color)...
Cement Fiber Board