Sandwhich board
1.Light weight
2.convinent
3.easy construction
4.Low cost

Sandwich board

The magnesium sandwich board another name sandwich MGO board is finish machining from magnesium ply plates,It have 2 type 1 is two side MGO board and middle clamps the froth,2 is around use steel sheet and middle clamps hollow MGO board,the hollow full of EPS,PU or Rock Wool,the heat insulation,fireproof,waterproof performance is very good,the best choice for the prefab house partition of the inner wall,or instead of the color steel sandwich board as the partition of the outer wall board..

Its main characteristic is:
1/Environmental protection: This product formaldehyde release quantity is 0.2mg/L, is lower than the various countries to the building board formaldehyde release quantity strict request (to achieve by far E0 level standard) its product technical sophistication belongs to the international leading status, tasteless, non-toxic, does not have the radioactive rays, does not contain the formaldehyde, the benzene and so on the deleterious substance, to food, the human body is harmless.
2/Fire protection: Can achieve the national GB8624-1997A level incombustibility standard, the being flame-resistant limit is bigger than for 4 hours.
3/Waterproofing: Because of the moisture content, the steam, the moist influence does not distort, changes soft, mildewy or rotten.
4/Light quality: The construction load is small, general partition wall 5kg/m2, firewall (40 kg/m2)
5/tenacity:The anti-impact, Difficult to break off, the bending strength are high, have the good toughness and the rigidity.
6/Easy to install: May saw, may dig, may sew, may drill.
7/Durable: The corrosion resistance, guards against is destroyed by insects, resistant to compression, the acid resistance, the service life is long.
8/Heat preservation: Has the good heat insulation performance and bears the low temperature performance.
9/economize: labor saving,time saving,area saving,upplementary material saving.
10/Sound-insulated: Sound-insulated effect near 40 decibels

Its principal constituent is the magnesium powder which refines by the stone in, the salt, the textile fiber and so on composes, The project target is as follows:
Considers the dissociation formaldehyde release quantity (mg/L)≤0.2(E0)
In unifies the intensity (MPA)≥2.05, static
Tune intensity (MPA)≥7.5
Grasps the bolt strength: Pan: 644.3, flange: 874
Thermal conductivity W/(m.K) <= 0.138
Density (g/cm 2) <= 1
Does condition anti-changes intensity (MPA) >= 20
Absorbs water the saturated condition anti-to change intensity (MPA) ≥10 
The moisture absorption strain rate (%) ≤0.35, the expand with heat and contract with cold affects slightly
Under absorption of moisture dip (mm)≤3
Being heated size shrinkage (°C ) ≤2
In stove temperature rise (°C) ≥50 
Continually combustion time (S) ≥20 
Quality loss factor (%) ≤50 

Product specification: Scope: 1220*2440mm thickness; 50mm,75mm,100mm