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  • Writer's pictureBona House Materials

Characteristics of Mgo board

Updated: Jun 4

Mgo board has the characteristics of water-proof, moisture-proof, high temperature resistance, flame-retardant, sound absorption, shock-proof, insect-proof, anti-corrosion, non-toxic, odorless and pollution-free. It can be directly painted, directly veneered with ceramic tile. The surface has better coloring, high strength, flexibility, toughness, sawable, sticky and convenient decoration.


MgO board ingredients: active high purity magnesium oxide (MgO), high quality magnesium chloride (MgCI), alkali-resistant glass fiber cloth, plant fiber, non-flammable light perlite, chemically stabilized lithopone powder, high polymer, high performance modifier.


Mgo board Magnesium board
Mgo board Magnesium board

Performance parameters of MgO board:

  • Apparent density: 0.85-1.5 t/m3

  • Water content: <8%

  • Dry shrinkage < 0.3%

  • Wet swelling rate: <0.6%

  • Holding screw force: > 70 N/mm

  • Halogen resistance, no water droplets, no moisture regain

  • Chloride ion content < 10%

  • Fire-proof performance non-flammable class A

  • Fire resistance limit > 2 hours

  • Air sound insulation > 42 Db

  • Flexural strength > 16 Mpa

  • Impact strength > 5.5 Kj/m2

  • Water permeability: no significant wetting or droplets on the back <CECS95>

  • Alkaline-resistant appearance without abnormality <CECS95>

  • Smoke Coefficient: 1.8 Ca <CECS95>

  • Heat conductivity: 0.109

  • Mean temperature: 30 +5 C (Kcal/m ch)r


Mgo board is an environmental protection and safe material, no radioactive, no asbestos, no formaldehyde and reflective nuclide limited material.  It can be an type of insulation materials combined with steel sheet to be Mgo sandwich panel.



MGO sandwich panel specification:

  • Metal sheet spec. :

Upper/lower steel plate: thickness is 0.4-1.2 mm. It can be color steel plate, galvanized steel plate or stainless steel plate.

  • Core Material: Mgo board

  • Panel width of machine-made sandwich panel : 1150 mm;

  • Panel width of hand-made board: 1180 mm;

  • Thickness: 50 mm, 75 mm, 100 mm, unlimited length

  • It is especially good for ceiling because of its high strength;


two-hour-fire-proof-sandwich-panel-ceiling
Mgo sandwich panel is good for ceiling

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