Magnesium oxide boards

About Magnesium oxide boards

IINSTIMBI Solutions SA (Pty) Ltd is a manufacturer and distributer of Magnesium Oxide which is a type of sheathing board made available for the cladding of light gauge steel building construction. It is supplied in sheet form consisting of various thicknesses and sizes.

It is categorized in different grades such as smooth finish, rough texture and utility grade.

Main characteristics

• Density (g/cm3) : 0.85-1.05
• Bending strength (M/mm) : 18-27Mpa
• Breaking load : 113-498
• Thermal resistance:1.14m2k/w
• Sound Insulations:>44dB
• 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