20mm Thickness Cellulose Fiber Reinforced Cement Board

Cellulose Fiber Cement Board  Introduction. 

Raw materials	Cement,quarts sand,paper pulp,additives
Standard size	2440mm*1220mm*(4-30mm)
Max width	1220mm
Max length	3000mm
Thickness	4-30mm
Density	1.2-1.6g/cm3
Basic color	Grey
Thermal conductivity	Average≤0.20w/mk
Water content	≤10
Water absorption	≤40
Manufacture standard	GB25970-2010 and JC/T412.1-2006
Fire resistance	Non-combustibility of Class A (GB8624-2006)
Radioactivity	Conforming to the GB 6566-2001A class
Bending strength	Transverse≥11.0N/mm3, Vertical≥8.5N/mm3
Packing	Standard fumigation wooden pallets or  without pallets (in bulk)
Trade terms	FOB SHANGHAI, C&F,CIF
Payment	T/T,L/C at sight
Certification	CE,and Quality management system certificate
Lead time	25days after receipt of the deposit T/T or L/C
Excellent characteristic	1,Excellent fire-proof performance
	2,Excellent moisture-proof performance
	3,Good heat and sound insulation
	4,Non-combustibility of class A
	5,Corrosion resistance and moth proof
	6,Eco-friendly and 100% non-asbestos
	7,High density and good weather resistance
	8,Light weight and durability
	9,Easy to install
	10,Low construction cost and high efficiency
Notes	Dimension,surface processing can be customized

Technical data:

Inspection items	Standard		Inspection results	Conclusion
Anti-bending strength	Air-dried state	X≥AL	X=25,AL=22,X>AL	Qualified
	Saturation	X≥AL	X=20,AL=16,X>AL	Qualified
Density,g/cm3	1.4<n≤1.7		1.64,1.66	Qualified
Water absorption rate,%	≤28		16%,15%	Qualified
Water impermeability	Allow the negative have wet marks, but no water drop,after 24 hours test.		After 24 hours test, no wet marks,and no drop.	Qualified
Impact strength,kj/m2	Strength level of V≥2.2		2.62	Qualified
Frost resistant property	No cracking and layering after  25 times of freeze thrawing test.		After 25 times of freeze thrawing, no cracking and layering	Qualified
Wet expansion ratio,%	≤0.25		0.12	Qualified
Incombustibility	Class A		Class A	Qualified
Dimension and form deviation
Length(mm)	±3		-2~+2	Qualified
Width(mm)	3		-2~+2	Qualified
Thickness(mm)	±0.4		-0.2~+0.2	Qualified
Dispersion of thickness(%)	≤4		≤1.8	Qualified
Edges straightness(mm)	≤3		≤1.0	Qualified
Edges of the vertical(mm)	≤3		≤1.0	Qualified
Diagonal difference(mm)	≤5		≤3	Qualified
Radioactivity limit	Ira≤1.0		<0.1	Qualified
	Ir≤1.3		0.1	Qualified
Sound insulation capacity  in the air,dB	/		41	/