Fire Resistace Mgo Board
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Fire Resistace Mgo Board

Fire Resistace Mgo Board

Magnesia board offers excellent fire-resistant properties due to its non-combustible Class A rating, long fire resistance period, high-temperature tolerance, and low smoke/toxicity. Its fire resistance is rooted in its inorganic composition and chemical structure, effectively blocking fire spread during emergencies and providing critical time for evacuation and firefighting. It is a vital component in modern building fire protection systems.

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Product Introduction

 Fire Resistace Mgo Board

 

Magnesia board (also known as magnesium oxide board, MgO board, or fireproof board) is an inorganic composite panel made primarily from magnesium oxide (MgO), magnesium chloride (MgCl₂) or magnesium sulfate(MgSo4), and water (H₂O), forming a "magnesium cement" matrix reinforced with glass fiber mesh. Its outstanding fire resistance makes it widely used in construction, interior decoration, and fire compartmentation.

 

Advantage of Fire Resistace Mgo Board

 

1. High Fire Resistance Rating

Magnesia board is classified as a Class A non-combustible material, the highest fire performance rating in China.

Standard Reference: According to the Chinese standard Classification for Burning Behavior of Building Materials and Products (GB 8624-2012), magnesia board achieves Class A1 (non-combustible, with negligible or zero organic content and no flame generation under high temperature).

Practical Performance: During a fire, magnesia board does not burn, does not release toxic gases, and does not contribute to fire spread.

 


2. Long Fire Resistance Period

Fire resistance period refers to the duration a building element maintains its stability, integrity, and insulation when exposed to standard fire test conditions.

Typical Fire Resistance Times:

Standard 9.5mm single-layer board: fire resistance of 30–60 minutes.

Double-layer or multi-layer composite systems (e.g., firewalls, fire door cores): fire resistance can reach 1 hour, 2 hours, or even over 3 hours.

Influencing Factors:

Thickness: Greater thickness generally means longer fire resistance.

Structural Design: Performance depends on framing, insulation fill, and multi-layer configurations.

Density and Formulation: High-quality boards with higher density and low porosity offer better thermal insulation.


 

3. Excellent High-Temperature Resistance

High Softening Temperature: The primary component, magnesium oxide, has a melting point exceeding 2800°C, so the board does not soften or melt under high heat.

Short-Term Heat Resistance: Can withstand temperatures above 1000°C for short durations while maintaining structural integrity.

Long-Term Service Temperature: Stable performance at temperatures below 800°C without structural failure.

 

氧化镁墙板

Magnesium Oxide Wallboard

Magnesium oxide wall board is a technologically advanced building material that offers superior performance in every category when compared to traditional wood, gypsum and cement based products.

氧化镁墙板

Magnesium Oxide Wall Panels

Magnesium Oxide Wall Panels are cementitious substrate products reinforced with magnesium oxide fibre matting.

防火 Mgo 墙板

Fireproof Mgo Wallboard

Fire resistant magnesium oxide wallboard is a new type of refractory material. It is widely used primarily as a wallboard alternative to conventional gypsum-based drywall and plywood.

防火板

Fire Resistant Board

It is non combustible and fire rated Class A1. With options for up to a 2 hour fire resistance, MgO Board offers an innovative passive fire protection alternative for your construction projects.

A1防火板

A1 Fire Resistant Board

MgO board has very good fire performance. It does not spread flames or smoke. It is noncombustible and fire-rated A1, which helps protect homeowners, tenants and building occupants while mitigating damage and loss.

不燃墙板

Non Combustible Wall Board

Magnesium oxide wall board is made of magnesium oxide, magnesium sulfate or magnesium chloride, glass fiber mesh, perlite and wood fiber.

防火墙板

Fireproof Wall Board

It is an upgraded product of fireboard. A properly constructed assembly with our MgO fireproof wall board can achieve a 3-hour fireproof rating.

防火内墙板

Fire Resistant Internal Wall Board

Our Fire Resistant Internal Wall Board is a fiberglass reinforced magnesium oxide cement board. It can be used to replace traditional gypsum drywall for wall and ceiling finishes and sheathing.

防火外墙板

Fireproof Exterior Wall Panels

Magnesium oxide board is a new type of fire-resistant building material. The main raw materials are magnesium oxide, magnesium chloride/sulfate and perlite.

 

Jinan Fandeng New Material Co.,Ltd.

 

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.

 

Why Choose US

 

1. Strict Quality Inspection Process

Our company has established an extremely strict quality inspection process. Starting from the entry of raw materials into the factory, comprehensive and meticulous inspections will be carried out to ensure that each batch of raw materials put into production meets high-standard requirements. At all stages of the production of magnesium oxide boards, such as batching, forming, and curing, there are also specialized quality inspection points. Through professional testing equipment and experienced inspectors, various indicators of the products, such as flatness, dimensional accuracy, and physical properties, are repeatedly tested. Only products that are completely qualified will enter the market. This means that the magnesium oxide boards you purchase from us have an absolutely reliable quality guarantee, which can effectively avoid potential risks to your projects caused by product quality issues.

 

2. Efficient Production and Delivery Capacity

We have modern production workshops and advanced production equipment, which have laid a solid foundation for the efficient production of magnesium oxide boards. Meanwhile, our production team has rich operating experience and efficient cooperation ability, enabling us to complete production tasks quickly while ensuring product quality. Moreover, we maintain close cooperation with several reliable logistics partners and can arrange shipments in a timely manner according to your needs to ensure that the products are delivered to your designated locations on time and safely. No matter the scale of your project, we can efficiently meet your supply requirements and help you smoothly advance the progress of your project.

 

3. In-depth Understanding of the Industry and Resource Integration Ability

Having been deeply involved in the magnesium oxide board industry for many years, we have a profound understanding and insight into the entire industry. We are familiar with all aspects of the upstream and downstream industrial chains and can fully integrate high-quality raw material resources, technical resources and market resources to provide you with more cost-effective products. For example, relying on our good industry relations, we can obtain more favorable raw material purchase prices, and at the same time, we can integrate advanced production technologies into product manufacturing, reducing costs while ensuring high product quality, allowing you to enjoy high-quality magnesium oxide board products at a more reasonable price.

 

4. Sustainable Development Concept and Environmental Protection Practices

Our company adheres to the concept of sustainable development and actively implements environmental protection measures in the production process of magnesium oxide boards. In terms of raw material selection, we give priority to using environmentally friendly and renewable raw materials to reduce the dependence on non-renewable resources. In terms of production processes, we continuously optimize and upgrade to reduce energy consumption and the generation of waste, and are committed to creating a green and environmentally friendly production model. Choosing us as your supplier not only enables you to obtain high-quality magnesium oxide boards but also reflects your support for environmental protection, which conforms to the current social advocacy and requirements for green building materials.

 

5. Personalized Customer Service Solutions

We deeply understand that each customer is unique and their project needs and concerns are also different. Therefore, we will tailor personalized customer service solutions for you according to your specific situation. Whether it is product recommendation, technical consultation, project planning, cost accounting or other aspects, we can provide targeted professional advice to help you make wiser decisions. Moreover, we will arrange dedicated customer service personnel to follow up on your project throughout the whole process, respond to your needs at any time, and ensure that the cooperation process between you and us is smooth and pleasant.

Fire Resistance Mechanism

氧化镁墙板

20211230-_XCC9928

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The fire resistance of magnesia board stems from its inorganic nature and chemical structure:

 

No Organic Fuel Content: Unlike plywood or MDF, which contain large amounts of organic materials, magnesia board contains almost no combustible components, eliminating the possibility of combustion.

 

Endothermic Release of Chemically Bound Water: At high temperatures, the chemically bound water within the board is gradually released. This process absorbs significant heat, effectively reducing the temperature on the unexposed side and slowing heat transfer.

Formation of a Protective Layer: Under heat, the surface may undergo slight ablation but forms a dense oxide layer that further blocks flame and heat penetration.

 

Glass Fiber Reinforcement: The internal glass fiber mesh can withstand temperatures up to 600°C or higher, maintaining mechanical strength during fire exposure and preserving panel integrity.

 

Additional Fire-Safety Properties

 

Low Smoke and Non-Toxic: Produces no black smoke or toxic gases (e.g., CO, HCN) when exposed to fire or high temperatures, meeting environmental and life-safety evacuation requirements.

 

Flame Penetration Resistance: Its dense structure effectively prevents flame penetration, making it suitable for firewalls, fire ducts, and cable fire protection.

 

Fire Integrity and Insulation: Maintains structural stability (integrity) and effectively limits temperature rise on the unexposed side (insulation) during fire tests.

 

Typical Applications (Demonstrating Fire Resistance)

 

  • Firewalls and fire partitions in high-rise buildings

  • Core material for fire doors and security doors

  • Ceilings and partitions in underground garages, shopping malls, and industrial facilities

  • Fire wrapping for cables and pipes

  • Thermal insulation linings for high-temperature equipment

  • Construction of fire-rated ducts

 

 

FAQ

 

Q: What is magnesium oxide used for in construction?

A: MGO board is used in place of traditional gypsum drywall. It is also used in various other construction applications such as fascias, soffit, wall sheathing and also as a tile backing material. It's not paperfaced and is available in a range of sizes to suit the application.

Q: What is the difference between magnesium oxide board and gypsum board?

A: MgO board comprises of a glass-fiber that offers higher durability and low density, making these boards extremely light-weighted, but powerful. In contrast, calcium silicate and gypsum boards are made of shorter fibers, which means they can only offer more strength at a higher density or weight.

Q: Is magnesium oxide board waterproof?

A: The boards are still structural and dimensionally stable even when wet. They do not swell, warp, or delaminate. They even protect against moisture when underneath basement flooring boards. It is essential to note that MgO boards are moisture and water resistant but not waterproof.

Q: What is the purpose of magnesium oxide?

A: Magnesium oxide may be used for different reasons. Some people use it as an antacid to relieve heartburn, sour stomach, or acid indigestion. Magnesium oxide also may be used as a laxative for short-term, rapid emptying of the bowel (before surgery, for example). It should not be used repeatedly.

Q: What are magnesium oxide panels?

A: MgO panels are cementitious panels that are primarily made of inorganic materials reinforced with layers of glass fiber mesh. EXACOR® MgO panels are manufactured to provide a streamlined solution for strength, fire resistance and sound performance.

Q: Is MgO board structural?

A: When compared to wood-based products, MgO panels offer significant improvements in fire resistance, structural performance, and overall durability. Furthermore, MgO panels exhibit greater mold resistance and remain dimensionally stable when exposed to moisture.

Q: How thick is magnesium oxide board?

A: Description - Magnesium Oxide Boards are the most eco-friendly multi-purpose building panels. This 12mm (1/2 inch) thick sheet is most commonly used as walls and ceilings.

Q: Can you paint a magnesium oxide board?

A: Magnesium Oxide (MgO) boards are breathable and a characteristic of this property is a high suction. Prior to painting, plastering or tiling, the boards should be coated on receiving faces and edges with an acrylic based primer - applied in line with the manufacturers guidance for use.

Q: What happens when you mix magnesium oxide with water?

A: When magnesium oxide is dissolved in water, magnesium hydroxide is formed.

Q: How is magnesium oxide used in construction?

A: Magnesium oxide, more commonly called magnesia, is a mineral that when used as part of a cement mixture and cast into thin cement panels under proper curing procedures and practices can be used in residential and commercial building construction.

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