Magnesium Oxideis a type of sheathing board available for building construction and comes in various thicknesses and sheet sizes.
It also comes in various grades, such as smooth finishes, rough textures, and utility grades.
Density (g/cm3) : 0.85-1.05
Bending strength (M/mm) : 18 -27Mpa
Breaking load : 113-498
Shrinking rate when heated:1.0%
Facial surface hardness 5.9-8.3 Mpa
Surface moisture absorption no more than 0.34%
Water absorption capacity 15%
Vapour permeability, mg/m*h*Pa 0.11-0.14
Rate of length change (wetting %) : Below 0.26%
Non flammability : Fire proof 1st grade
Available in the following thicknesses 4mm, 6mm, 9mm and 12mm