moisture proof fabric reinforced Improved MgO Board strong and good

Improved MgO Board
1. Introduction
With new materials and technologies, Improved Kam Chung magnesium oxide board
has better performance and avoids the defects of traditional MgO board. We use
an alkali-resisting glass fiber net to increase product strength, and new
technologies to prevent the “crying” phenomenon. In that case, our products
can be used in humid area and no need to worry about quality problem.
2. Application
Kam Chung Magnesia board is light in weight, resistant to fire, high in
strength, good against moisture, thus suitable for a wide range of general
building uses, such as ceiling, wall board and flooring for residential
complex, hospital, school, workshop, warehouse, stadium or even furniture and
billboard.
3. Specifications
Size (mm) 2440*1220
Thickness (mm) 3 – 20
Moisture content (%) ≤8
Density (g/cm3) 0.6-1.4
Wet Expansion Rate(%) 0.6
Thermal Conductivity (W/m•K) ≤0.30
Bending Strength(MPa) ≥10
Shock Resistance (Kj/㎡) 2
Dry Shrinkage Rate (%) 0.3
Nail-holding Ability (N/mm) ≥25
Content of Chloridion (%) ≤10
Non- combustibility GB 8624-2006 Class A
Impermeability No water drops on the other side

4. Advantages
(1). Durable
(2). Fire rated
(3). Insect-free
(4). Waterproof
(5). Light weight
(6). Energy efficient
(7). Impact resistant
(8). Easy installation
(9). Environment -friendly

5. Installation Processes for Suspended Floor
(1).Draw lines on walls and paint anti-rust paint on channels.
(2).Make channels on walls and fasten steel channels by following procedures.
A. Make a 2cm deep channel at horizontal line of walls and get rid of the putty
until you see the steels inside.
B. Clean up putty and dust, and weld keels directly to the steels inside walls
so as to make the whole floor system strong.
C. The width of channels should be same as that of channel steels. Sink the
channel steels into the channels and fasten them by screws and then weld them
together. The whole system would be integrated with walls by that.
D. It is better to apply more screws to fasten channel steels with wall steels.
(3). installation of I-beam
Because that we use both size 12 I-beams and channel steels, we need to cut
both ends of I-beams so as to fix them into channel steels and weld them
together. Distance between each I-channel is about 60cm.
(4). Weld angle steels and sub channels and paint the whole system with
waterproof paint. Distance between sub channels is 60cm.
(5). Welding slags must be cleaned up and welding joints be polished before
installation of MgO boards. Boards should be vertically parallel to main beam.
Any edge of boards must not be suspended and distance between boards can be 3-
5mm. Joint points of boards must be on the center of beams.
(6). Length of self-tapping nails can be 55-60mm (subject to thickness of
boards and beams). First drill holes and then nail them in. Hole size must be
bigger than that of nail head, and nail head must be sunk into a board. Nailing
sequence is from center to sides. Distance between board edges and nails close
to edges is about 20mm. Distance between nails around board center is about
600mm, and that between nails near board edges is about 300mm. Nailing should
be done when the general layout is finished.
(7). During installation, operator should leave 3-5mm gap between boards and
walls (less distance for wooden floor). Gaps can be covered by silicone sealant
or elastic putty.

Minimum Order: 666 pieces

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