Glass Magnesium Oxide Board Fireproof Insulation Board Magnesium Oxide Fireproof Board

glass magnesium oxide boardspecifications:
1.fireproof:
It reaches the standard of GB8624, CLASS A, British standard 476: part7:1997, and part 4:1970 class one surface spread of flame, and non-combustible class
2.waterproof:
It can keep its shape and character after soaking in water for a few days.
3.Soundproof and heat preservation
4.No asbestos
5.Environmental protection:
It is totally 100% green boards
6.Easy to install:
It can be treated in the way of sawing, planning, drilling, nailing and cutting etc.
Test item
Technical requirement
Test results
Results
Density (g/cm3)
0.9
Qualified
Bending strength(Mpa)
≥10
16.0
Qualified
Impact strength
(KJ/m2)
≥2.5
10
Qualified
Moisture absorption
No moisture
No moisture
Qualified
Water content (%)
≤8
3.7
Qualified
Contraction rate when heated (%)
≤0.3
0.1
Qualified
Expansion when put into water (%)
≤0.6
0.23
Qualified
Crisp coefficient
≥0.7
1.3
Qualified
Warp when heated (‰)
≤3
0.12
Qualified
Put out of nails
e<6
6<e<10
e >10
35
Qualified
≥25
≥20
≥15