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OCM Fireproof Mineral Products Exterior Wall Board Magnesium Oxide Wall Board Mgo Board

Chloride Mgo Board / Magnesium Oxide Board  
Magnesium Oxide (MgO) Boards, also known as MgO Boards, are a modern building material known for their superior properties. These boards are primarily composed of magnesium oxide, a compound that is both non-flammable and non-toxic. They are known for their resistance to fire, water, and mildew, making them ideal for a variety of building applications. MgO Boards are also known for their strength and durability, providing a strong solution for both indoor and outdoor use. They are environmentally friendly, made from natural materials, and are often used as an alternative to traditional drywall, especially in areas where moisture and fire safety are concerns. MgO Boards can be used in interior walls, ceilings, subflooring, and as part of fireproofing assemblies, demonstrating their versatility in the construction industry.
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Chloride Mgo Board / Magnesium Oxide Board 

       Magnesium Oxide (MgO) Boards, also known as MgO Boards, are a modern building material known for their superior properties. These boards are primarily composed of magnesium oxide, a compound that is both non-flammable and non-toxic. They are known for their resistance to fire, water, and mildew, making them ideal for a variety of building applications. MgO Boards are also known for their strength and durability, providing a strong solution for both indoor and outdoor use. They are environmentally friendly, made from natural materials, and are often used as an alternative to traditional drywall, especially in areas where moisture and fire safety are concerns. MgO Boards can be used in interior walls, ceilings, subflooring, and as part of fireproofing assemblies, demonstrating their versatility in the construction industry.


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What is difference between Mgo board and Mgso4 board?            

      Composition: MgO boards are made primarily from magnesium oxide (MgO) and are often reinforced with a glass fiber mesh. The key binding agent in these boards is magnesium chloride (MgCl₂).On the other hand, MgSO₄ boards use magnesium sulfate (MgSO₄) as the binder instead of magnesium chloride.

     Moisture Absorption: MgO boards, due to the presence of magnesium chloride, are more prone to moisture absorption. This can lead to issues such as "weeping," where moisture seeps from the board, potentially causing corrosion of metal fasteners and framing.In contrast, MgSO₄ boards are much less hygroscopic (attractive to water) than MgO boards with magnesium chloride. This makes MgSO₄ boards more resistant to moisture absorption, effectively blocking the halogen-related issues and significantly enhancing the water resistance of the board.

     Corrosion Resistance: MgSO₄ boards, being free of chloride ions, prevent corrosion of metal fasteners and frames, making them non-corrosive and an improvement over earlier MgO boards that posed a risk to steel framing or metal components.

     Applications: MgSO₄ boards, because of their improved moisture resistance and stable composition, are better suited for coastal regions, high-humidity environments, or applications where long-term durability is essential.


Note: We only Produce chloride-free Mgso4 board. You don't need to worry about Moisture regain and corroding steel and metal problems.  

 

2  

 

Edges            

Colors and Edges pattern can be customized  
 
Thickness
Size
Pattern   
Density
Color
Edges
3
1220*2440MM, 1220*2745MM, 1220*3050MM Other Sizes can be customized
Pinholes
Smooth
Rough
Sanded 
UV

                           
Backside /Front Side can be customized
900-1400Kg/M3
Off-White, Grey, Black, Yellow.
Square
4
Square
5
Square
6
Square
8
Square
9
Square
10
Square
12
Square,Tapered
15
Square,Tapered  
16
Square,Tapered,T&G,Shiplap
18
Square,Tapered,T&G,Shiplap
20
Square,Tapered,T&G,Shiplap
25
Square,Tapered,T&G,Shiplap
30
Square,Tapered,T&G,Shiplap
4  
Product
Waterproof Mgso4 Mgo Board
Brand
OCM
Density
1.1-1.4T/M3
Combustibility / Fire Ratings
non-combustible / A1
Moisture content
≤8%
Bending Strength
> 9kJ/m2
Impact Strength
Composite Flooring core, Substrate for decorative board.
Modulus of elasticity
≥5000Mpa
Dry Shrinkage
≤0.3%
Wet Expansion Rate
≤0.3%
Thermal Conductivity
~0.44 W / mK
Thermal Expansion Hot/Cold
0,01 mm/mC (from temp +20C to -20C)
Surface Alkalinity
8-10 Ph
Asbestos Analysis
Absent - not measurable
Formaldehyde Analysis
Absent - not measurable
TVOC-ASTM D5116-10
Below measurable levels of test instruments
Chloride ion content-ASTMC 871-11
0.012%
Surface Alkalinity
8-10 Ph
 
 
 Our History             
• 2012-2013  
OCM began to produce and export chlorine free mgoboard 300 containers of Algerian military project. All boards apply on
steel frames.  

• 2014  
OCM was supplied to Spain and Italy Market with good reputation.  

• 2015  
OCM began to export chlorine free mgoboard to Chile and Colombia.  

• 2016-2017  
OCM entered to the Korean market and participate in government affordable housing projects in local and Southeast Asian countries, all using MgSO4 board in smart prefabricated system.  

• 2018-2019  
OCM focuses on researching and producing high level sanded mgso4 board and obtained a full set of test reports and
certificates for the Australian and New Zealand markets.  

• 2021  
OCM exported to Famous US company and approved by ICC audit factory  
 

      Our in-house laboratory, staffed by 5 dedicated R&D professionals, is equipped to conduct comprehensive evaluations on raw materials, including micro chemical reaction analysis and assessments of physical performance. We specialize in researching and designing panels with varying densities, strengths, water absorption rates, and structural configurations. Our expertise extends to evaluating flexural performance, nail holding force, and fire resistance. We provide clients with detailed and complete test reports to ensure they have a thorough understanding of the properties and performance of our panels.

 

 
 


       Our factory is equipped with three advanced production lines, enabling us to manufacture a variety of board grades tailored to diverse applications. Utilizing state-of-the-art, highly automated machinery, we produce premium products like sanding boards, shear walls, and load-bearing subfloors. Our new equipment and facilities enhance our production capabilities and include an automatic feeding and mixing system, a plate forming process system, an automatic plate demoulding system, a sanding line, and a UV coating line. This advanced setup allows us to achieve an annual output of 2.1 million plates, equating to approximately 3,000 containers, ensuring we meet the high demand for our quality products.


       
       
       
Size
Weight-KG/Piece
Loading capacity in 20'ft CNT 
3mm x 1220 x 2440
9.0
2200pieces,8 wooden pallets
6mm x 1220 x 2440
18.0
1100 pieces,8 wooden pallets
8mm x 1220 x 2440
24.0
824 pieces,8 wooden pallets
9mm x 1220 x 2440
27.0
732 pieces,8 wooden pallets
10mm x 1220 x 2440
30.0
660 pieces,8 wooden pallets
12mm x 1220 x 2440
36.0
550 pieces,8 wooden pallets
15mm x 1220 x 2440
45.0
440 pieces,8 wooden pallets
16mm x 1220 x 2440
48.0
412 pieces,8 wooden pallets
18mm x 1220 x 2440
54.0
364 pieces,8 wooden pallets
19mm x 1220 x 2440
57.0
348 pieces,8 wooden pallets
20mm x 1220 x 2440
60.0
328 pieces,8 wooden pallets
25mm x 1220 x 2440
75.0
264 pieces,8 wooden pallets
FAQ  

1.What is OCM® mgo board made of? What is the chloride content?

All mgo board consists of 3 elements, magnesium oxide, salt and crystal water.
The main component of OCM® Mgo board is MgO which is completely non-flammable and can be used for fire protection.
There are mainly two different types of salt:
- Magnesium oxychloride hydrated /Mgcl2 (steel corrosion risk)
-Magnesium oxysulfate hydrate/Mgso4(OCM mgo board)
OCM® MgO Board is a chloride-free Mgoso4 board. It uses magnesium sulfate instead of magnesium chloride.magnesium sulfate makes MgSo4 panels incredibly waterproof by preventing moisture from absorbing back into the halogens in the board.

According to The China Magnesium Oxide Board Industry Association issued a new standard of magnesia board industry, dissolvable (free) chloride ion content is below 5%, Content of Chloride is below 10%.
OCM mgso4 board Chloride content is below 0.012%, with reference to ASTM C871-11
you don't have to worry about "crying boards" when you use OCM® MgO Board on steel or metal frame.  

2. Is OCM® Mgo board waterproof?

OCM® Mgo board is considered to be moisture resistant, but during prolonged exposure, moisture can affect it and it will
experience hydrothermal expansion. When used outdoors, Mgo board should be covered or coated to protect it from the environments, we can do waterproofing before leaving the factory, such as adding waterproofing elements or sealing with UV paint.  

3.What is the difference between OCM® mgo board and other mgo boards?

-OCM is new generation chloride free mgo board. Thickness 3-30mm.Max size 1220*3050mm.
-We are ICC Audit factory, Controlled from Raw materials to finished products are strictly inspected.
-OCM mgo has outstanding physical performance
.Standard strength 6mm> 20-35 Mpa, 12mm > 15– 20Mpa,18mm≥20-25Mpa.
.Minimum low water absorption rate<8-10%
. Chloride Content ≤0.012%
. Fire resistance up to 270mins.  

4. Is OCM® Mgo Board safe product?

Yes. OCM® Mgo board is safer than many comparable building products. It is a mineral based product made with non-toxic ingredients. (See our test report of Asbestos content, TOVC) It is completely recyclable and resistant to mold, mildew, fungus and allergens. It is also free of carcinogens and silicas.  
 

5.What dimensions are commonly used to define OCM® Mgo Boards?

OCM® Mgo Boards are sold in 4 × 8 ft,4x9 ft,4x10ft sheets other small size can customized and in multiple thickness from 3mm to 30mm.  
 
 
                   
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Oriental Construction Material Industry Co., Ltd.(ChinaOCM) is located in Zhangjiagang city, Jiangsu province, china. We are a comprehensive enterprise combining researching, manufacturing and processing magnesia products.
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