6mm Chloride-free Magnesium Board for Sheathing
Thickness: 6mm
Size: 1220x2440mm, 1220x2740mm customized
Surface: standard or sanded
Fireproof Grade: A1
Moisture Movement: 0.1%-0.12%
Density: 1000-1100kg/m3
Flexural strength: 10-16MPA
Magnesium Board for Sheathing
Chloride-free magnesium oxide (MgO) sheathing is a durable building material engineered specifically for sheathing applications. Unlike older MgO board variants that relied on corrosive magnesium chloride, this advanced option utilizes magnesium sulfate cement as its binding agent—delivering enhanced resistance to corrosion and moisture. Classified as an eco-friendly (green) building material, it boasts inherent fireproofing capabilities, non-toxic properties, insect resistance, and excellent thermal and acoustic performance. As a next-generation MgO board, the chloride-free formulation is purpose-designed to eliminate the structural integrity degradation and corrosion problems that historically affected chloride-containing counterparts.
MgO Board Wall Sheathing Comparisons Details
| Items | Con-Combustible Structural Wall Sheathing | Chloride-Based MgO Panel | OSB with Integrated Weather Barrier | Fiberglass-Mat Faced Gypsum | Chemically Coated OSB Sheathing | OSB |
|---|---|---|---|---|---|---|
| Formulation | MgO(SO4) | MgO(Cl2) | Wood | Fiber Glass & Gypsum | Wood & Proprietary Coating | Wood |
| Structural Wall Sheathing | YES | YES | YES | NO | YES | YES |
| Non-Combustible | YES | NO | NO | YES | NO | NO |
| Silica Free | YES | NO | YES | NO | YES | YES |
| Resists Corronsion | YES | Unknow | YES | YES | YES | YES |
| Chemical Free | YES | YES | NO | NO | NO | NO |
| Water Resistant | YES | YES | NO | NO | NO | NO |
| Mold Resistant | YES | YES | NO | NO | NO | NO |
| Mildew Resistant | YES | YES | NO | NO | NO | NO |
| Installs with Screws or Nails | YES | YES | YES | YES | YES | YES |
Advantages:
- Corrosion Resistance: The chloride-free formula safeguards fasteners and other metal components against corrosion.
- Moisture Resistance: Virtually impervious to water, the material resists swelling and delamination—making it ideal for exterior use, even prior to a building achieving weather-tightness.
- Durability & Strength: It delivers exceptional strength and impact resistance while maintaining dimensional stability amid temperature fluctuations.
- Fire Resistance: Non-combustible by nature, the material offers high flame-retardant properties.
- Insect & Mold Resistance: Its mineral-based composition renders it unpalatable to termites and other insects, while providing robust resistance to mold and mildew.
- Eco-Friendly: Crafted from natural minerals, this recyclable, non-toxic material boasts a low carbon footprint.
Applications:
interior wall sheathing
exterior wall sheathing
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