No.	Test items		Standard indicators	Test results	Single judge
1	Bending degrees	horizontal	>=22Mpa	24.9Mpa	Qualified
		vertical	>=17 Mpa	21.4Mpa
2	Impact strength		>=2.0 KJ/m2	3.7KJ/m2	Qualified
3	Indensity		>=1.6g/cm3	1.72g/cm3	Qualified
4	Water absorption		<=24%	16.8%	Qualified
5	Waterproofness		According to the National standard GB8041 tested -24H checking allow damp mark on the back of the board , but no water drop	Meet the National standard GB8041	Qualified
6	Freezing resistance		According to the National standard GB8041 tested- after 25 times Cycliccrackingno break and layer appear	Meet the National standard GB804 1	Qualified
7	Sound resistance		Meet 4sdb (GBJ75-B4)
8	Radioactivity		Meet standard GB6566-2001A)
9	Noninflammability		In accordance with the GB5464-85 and GB8624-88 , A class building materials

No.	Test Item	National standard	Wall panel testing
1	Compressive strength	≥3.5MPa	≥3.7MPa
2	Drying shrinkage	≤0.6mm/m²	0.37mm/ m²
3	Hanging force	≥1000N 24hours No 0.55mm crack in 24hours	≥1000N 24hours No 0.55mm crack in 24hours
4	shock resistance	without crack shocked by 30kgs sandbag five times	without crack shocked by 30kgs sandbag five times
5	The bending failure load	≥1.5 times of the self weight of the wall panel	≥2.5 times of the self weight of the wall panel
6	radioactivity	Inner radiation index Ira≤1.0 Outer radiation index IY≤1.3	Inner radiation index Ira≤1.0 Outer radiation index IY≤1.3
7	density	≤90kgs/m²	≤43kgs/m²
8	Air insulation of sound	≥35dB	≥43dB
9	Fire resistance limit	≥1 h	≥ 1h

Advantages

Advantages
Number	Item	Content
1	Low cost	Low labour and material costs
2	Long life	Up to 30 years
3	Recycling use	Reused for more than 10 times
4	Flexible layout	Layout adjusted according to your requirement
5	Environment protection	Environment-friendly materials used
6	Safe & Stable steel structure	Earthquake proof & Wind resistance

Prefab House Exterior Fiber Cement Board Production Line Light Weight

MgO Board Production Line