Halogenide-resistant Mgo Panel Magnesium Sulfate Board Floor With Fireproof Material
The core characteristics of MgO board subfloor sheathing can be summarized as "strong bearing capacity, moisture resistance, high fire resistance, easy construction, and long service life". Its comprehensive performance perfectly adapts to the multiple needs of base scenarios for structural stability, environmental adaptability and safety. It is an ideal choice to replace traditional base materials (such as plywood,plank sheathing and oriented cstrand boards), and performs significantly especially in buildings with humid environments, heavy loads and high fire protection levels.
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Product Introduction
Halogenide-resistant mgo panel Magnesium Sulfate Board Floor with fireproof material
MgO board subfloor sheathing is an inorganic board made with magnesium oxide and magnesium chloride or magnesium sulfate as the cementitious core, supplemented by reinforcing materials and functional additives, used for subfloor protection and support of building bases.
Advantages of Halogenide-resistant mgo panel Magnesium Sulfate Board Floor with fireproof material
1 True Halogen Resistance: Chloride content ≤0.012%-no corrosion to steel, no "sweating," ideal for steel structures and coastal areas.
2 A1-Class Fire Safety: Inorganic non-combustible material with 3+ hours of fire resistance; no toxic emissions.
3 Water Resistance: ≤13.3% water absorption; maintains dimensional stability in high-humidity environments.
4 Lightweight & High Strength: 0.8–1.2 g/cm³ density with ≥8 MPa flexural strength; reduces structural load and installation costs.
5 Eco-Friendly & Healthy: 100% free of asbestos, formaldehyde, and halogens; meets EU REACH and green building standards.
6 Low Maintenance: Stable structure requires no regular treatment; simple cleaning suffices for long-term use.
Composition Components
The scientific formulation of magnesium sulfate board floor ensures halogen resistance, structural integrity, and fireproof performance:
|
Component Category |
Main Materials |
Functions |
|---|---|---|
|
Core Cementitious Material |
High-purity light-burned magnesium oxide (MgO) |
Primary bonding component; forms stable magnesium oxysulfate cement (MOS) matrix with MgSO₄, ensuring strength and durability |
|
Halogen-Free Curing Agent |
Food-grade magnesium sulfate (MgSO₄) solution |
Replaces magnesium chloride; avoids corrosion issues; enhances water resistance and dimensional stability |
|
Reinforcing Component |
Alkali-resistant glass fiber mesh, wood fiber, non-woven fabrics |
Improves flexural strength and impact resistance; prevents cracking during curing and use |
|
Lightweight Aggregate |
Perlite, vermiculite, plant fiber |
Reduces density (0.8–1.2 g/cm³); enhances thermal insulation; maintains high strength-to-weight ratio |
|
Functional Additives |
Water-repellent agent, anti-cracking agent, mold inhibitor |
Enhances water resistance (≤13.3% water absorption); suppresses mold growth; improves weatherability |
Key Feature: Chloride content ≤0.012% (well below industry standards of 5–10%), ensuring true halogen resistance and no corrosion to steel components.
Technical Parameters
Commercial magnesium sulfate board floors meet strict international standards with the following typical specifications:
| Parameter | Index Range | Test Standard |
|---|---|---|
| Density | 0.8–1.2 g/cm³ | GB/T 9978 / ASTM C518 |
| Flexural Strength | ≥ 10 MPa | GB/T 15738 / ASTM C947 |
| Compressive Strength | ≥ 18 MPa | GB/T 5486 / ASTM C109 |
| Fire Resistance Rating | A1-class non-combustible | GB 8624-2012 / EN 13501-1 / ASTM E136 |
| Thermal Conductivity | 0.12–0.20 W/(m·K) | GB/T 10294 / ISO 8302 |
| Water Absorption Rate | ≤ 13.3% | GB/T 4132 / ASTM C272 |
| Dimensional Stability | ≤ 0.1% (moisture expansion) | GB/T 7106 / ASTM D1037 |
| Chloride Content | ≤ 0.012% | China MgO Board Industry Association Standard |
| Sound Insulation Performance | ≥ 32 dB (15mm thick) | GB/T 50121 / ISO 717 |
| Service Life | ≥ 30 years | Industrial field test data |
The halogen-free, fireproof magnesium sulfate board floor excels in diverse environments:
Steel Structure Buildings
Ideal for steel-framed residential, commercial, and industrial buildings. The chloride-free formula prevents corrosion of steel beams, columns, and fasteners, extending structural lifespan by 20–30%.
Coastal & Marine Environments
Perfect for coastal regions, ports, and offshore facilities. Resists salt air corrosion and "sweating" issues common with traditional MgCl₂ boards; maintains stability in high-humidity, saline environments.
High-Moisture Areas
Suitable for basements, bathrooms, kitchens, and swimming pool surrounds. Low hygroscopicity prevents swelling, warping, and mold growth; water absorption ≤13.3% ensures long-term dimensional stability.
Industrial & Public Buildings
Excellent for chemical plants, power stations, and public spaces requiring fire safety and corrosion resistance. A1-class fire rating provides over 3 hours of fire protection; halogen-free composition meets strict environmental standards.
Prefabricated & Modular Construction
Lightweight (0.8–1.2 g/cm³) enables easy transportation and installation; can be cut, drilled, and installed with standard tools, reducing construction time by 30–50%.
Comparison with Traditional Flooring Materials
Magnesium sulfate board floor outperforms conventional options, especially in halogen resistance and fire safety:
| Material | Halogenide-Resistant MgSO₄ Board Floor | Traditional MgCl₂ MgO Board | Plywood | Cement Fiberboard |
|---|---|---|---|---|
| Halogen Content | ≤0.012% (halogen-free) | 5–10% (contains chloride) | 0% | 0% |
| Fire Rating | A1-class non-combustible | A1-class non-combustible | Combustible | B1-class flame-retardant |
| Corrosion Risk | None (safe for steel structures) | High (corrodes steel) | Low (needs treatment) | Low |
| Water Absorption | ≤13.3% | 15–20% | 20–30% | 18–25% |
| Dimensional Stability | Excellent (≤0.1% moisture expansion) | Poor (sweats in humidity) | Poor (swells when wet) | Moderate |
| Service Life | ≥30 years | 15–20 years | 5–8 years | 10–15 years |
| Installation | Easy (lightweight, standard tools) | Easy | Easy | Difficult (heavy) |
| Environmental Impact | Eco-friendly (recyclable, no formaldehyde) | Moderate (chloride leaching) | Low (formaldehyde emission) | High (energy-intensive) |
Our Factory
We are a company dedicated to magnesia cement products. Our main products are Magnesium Oxide Boards (MGO Board) for construction and laminated MgO boards for furniture and renovation. Our mission is to provide the world's construction markets with environmentally friendly, high-performance and sustainable green materials.
We work with China Magnesium Materials Association (CMMA) and Magnesium Oxide Association (MOCA) in North America to raise awareness and promote the use of magnesium oxide cement products. We focus on the quality control and consistency of the MGO products. We have been actively involved in developing American Society for Testing and Materials (ASTM) standards related with MGO products.
FAQ
Q: Why is this halogenide-resistant MgO panel suitable for steel structure buildings, and will it cause corrosion to steel components?
A: This panel adopts a chloride-free formula with chloride content ≤0.012%, far lower than the industry threshold. It completely avoids the "sweating and salt precipitation" problem of traditional magnesium chloride MgO boards, and will not corrode steel beams, columns or fasteners, effectively extending the service life of steel structure buildings by 20–30%.
Q: What is the fire resistance rating of this magnesium sulfate board floor, and will it release toxic gases when exposed to fire?
A: It reaches the A1-class non-combustible standard (compliant with GB 8624 and EN 13501-1). Its core material is inorganic magnesium oxide with a melting point of 2800℃. When encountering fire, it will not burn or drip, and only releases harmless water vapor without any halogen-containing toxic gases, avoiding secondary harm to personnel.
Q: Can this halogenide-resistant MgO panel be used in high-humidity environments such as coastal areas and basements?
A: Absolutely. It has a water absorption rate ≤13.3% and is added with special water-repellent additives. It can resist salt spray corrosion and moisture erosion, does not swell, warp or mold, and is especially suitable for harsh environments like coastal saline-alkali areas, basements and swimming pool surrounds.
Q: Is the installation of this magnesium sulfate board floor complicated, and does it need special construction tools?
A: It is very easy to install. With a density of only 0.8–1.2 g/cm³, it is lightweight and easy to transport. On-site cutting, drilling and nailing can be completed with conventional woodworking tools, no special equipment is needed, which can shorten the construction period by 30–50%.
Q: Does this halogenide-resistant MgO panel contain harmful substances such as asbestos, formaldehyde or halogens?
A: It is 100% free of asbestos, formaldehyde, halogens and radioactive substances. It fully complies with EU REACH regulations and international green building material standards, and is an eco-friendly and healthy building material that can be recycled.
Q: How long is the service life of this magnesium sulfate board floor, and does it need regular maintenance during use?
A: Under normal use conditions, its service life is no less than 30 years. The magnesium oxysulfate cement matrix has a stable structure and strong weather resistance. It does not need regular maintenance; only simple cleaning of surface dust and debris is required during daily use.
Q: Does it contain harmful substances like formaldehyde, making it suitable for sensitive scenarios such as residences?
A: Made from natural minerals, it contains no formaldehyde or radioactive substances. Its formaldehyde emission is far below national standards, making it safe for use in residences, hospitals, schools, and other scenarios.
Q: What advantages does it have over traditional base materials (e.g., wood boards, cement boards)?
A: It combines properties such as fire resistance, moisture resistance, high strength, and light weight. It is also resistant to insect infestation and has a long service life (over 15 years). Its overall performance is superior to decay-prone wood boards and heavy ordinary cement boards.
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