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Chinsunboard – Non Chloride Mgo Board with amazing fire resistant properties and easy installation

Chinsun Non Chloride mgo board is a kind of new green and fireproof building material,We start supply this kind of material since from 2012.The new non chloride mgo board is going to instead of traditional mgo board due to more and more problems come out form the normal mgo board like "Sweating",rusting phenomena,the color of the boards turn yellew etc.

We find a best way to solve this problems,it make mgo board a new lease of life.

Chinsun non-choride mgo board solves the scumming problems of the normal mgo board.it's 100% no magnesium chloride .Through the long-term research of Chinsun technicians, new kind of Mgo Board come out. 
Because of the new formula, without chloride, Chinsun board will not scum and turn to yellow after a long time, and the surface will not become wet in rainy days. 
Chinsun is the first one and only one in China who manufacturing this kind of Board.

- Weather resistant

- Fire resistant
- Provides sound insulation
- Higher strength
- Low shrinkage
- Flexible
- High degree of workability
- Termite resistant

-Never Rusting

-Never Sweating

-Non Formaldehyde

-Non Chloride

Why choose Chinsun Non Chloride mgo board?

1.Fireproof capability:the fireproof capability can be reached 2-3 hours, and it’s no combustion at 800ºC and no flame out at 1200ºC.


2.Sound and heat insulation:the Sound insulation will be more than 45db (depend on the structure), and it has a great performance on heat insulation


3.Shockproof:Fiberglass mesh inside the boards is designed to absorb shocks. It results in a shockproof and bend-proof board to increase durability.


4.Health concerns:MgO boards are Asbestos free,non toxicity and formaldehyde free.

5.Compare with tradition mgo board:

1)Avoid "sweating phenomenon"

2)Never caused rust problems when the board touched metal materials like screw and steel fram etc.

3)Durable life time and stronger

4)The color of the boards never turn yellow

6.Other advantages: Lighter,more flexible and stable than tradition sheeting systems;Time and material saving-dramatically reducitng construction costs;Environmentally friendly.


Size (mm) Thickness (mm) Weight (KG) Edge Profile Application
1200 x 2400
1220 x 2440
Square-cut edge Internal cladding
1200 x 2400
1220 x 2440
Square-cut edge/
Recessed edge
Internal/external ceiling

1200 x 2400

1220 x 2440
Square-cut edge/
Recessed edge
Internal partition

External wall cladding

Wet area and tile backing

Floor underlay
1200 x 2400
1220 x 2440
Square-cut edge
External wall cladding
Wet area and tile backing
Floor underlay
1200 x 2400
1220 x 2440
Square-cut edge/
Recessed edge
External wall cladding

Wet area and tile backing

Floor underlay

1200 x 2400
1220 x 2440
Square-cut edge
Internal partitions with special requirements
Elevated Floor
1200 x 2400
1220 x 2440
Square-cut edge
Internal partitions with special requirements
Elevated Floor
1200 x 2400
1220 x 2440
Square-cut edge
Internal partitions with special requirements
Elevated Floor


No special tools are required. The products can be used with normal nails, fastened by normal or self-drilling screws and cut by an electric power saw with a diamond blade. 


Chinsun Non Chloride mgo board can be fixed to both timber (minimum size 1.5 x 3 inches) or steel frames (at least 0.55 mm thickness). The board must be supported at the edge at intermediate positions with centers not exceeding 600 mm. Screws must be located more than 12 mm from edges and 50 mm from board corners. 


Fasteners can be both nails and screws. It can be nailed directly to timber supports with round wire nails. For metal screws, the size and length of the screw depends on the thickness of the board and the gauge of framing. Pre-drilling the board is a must unless self-embedding, self-drilling head screws.


Since mgo board is subject to slight dimensional changes, a butt joint can be used in dry partitioning areas or where an exposed joint appearance is acceptable. For better water protection, either flexible acrylic or polyurethane based sealant can be used to seal gaps of 3-5mm.

Flush Joint for ChinsunBoard, Recessed Edge

ChinsunBoard flush joint

First coat: Fill the recessed area to the face of the sheet by using a jointing compound then embed the fibreglass mesh tape into the joint. 

Second coat: Apply second coat at 200 mm width. Allow it to dry thoroughly before applying a finishing coat. 

 Finishing coat: Apply third coat at 300 mm width. Allow it to dry completely before sanding.

Recommended Frame Specification – For Internal Partition

Galvanized steel frame No.24 (0.55 BMT) is recommended to be used as stud for internal partition using ChinsunBoard. Stud shall be fixed at the spacing of 600 x 2.400 mm. Details of ideal stud size are shown as follows.

Chisnun boards can be attached to steel frames

Recessed Edge

Square Edge

C 0.55 x 50 x 38 x 3000 mm

U 0.55 x 52 x 38 x 3000 mm

Technical Data

Physical Properties
Thickness Tolerance + 3%
Density 1100kg/m3
Modulus of Rupture > 10 MPa (Wet)
Modulus of Elasticity 5000 + 50 MPa (Wet)
Water Absorption < 40%
Moisture Content < 15%
Water Tightness Pass
PH Value 7-8
Thermal Conductivity 0.15 W/m.K 
Acoustic Insulation STC = 30 dB (6 mm single board)
STC = 50 - 60 dB (10 mm composite wall)
Moisture Movement

+ 0.4%

Fire Resistance Properties
Ignitibility Pass
Fire Propagaton Index I = 0.1
Surface Spread of Flame Class 1
Reaction to Fire Classification A1

Transportation, Handing and Storage: 

Deliver Chinsun Non Chloride mgo board to the project site in the original, unopened package and store them in fully enclosed space where they will be protected against damage from humidity, direct sunlight, surface contamination and other causes of damage. Handle ChinsunBoard carefully to avoid chipping the edges or damaging units in any way. Handling and storage practices should follow the manufacturer’s recommended suggestions at all times.



Stack boards on a pallet.

Cover with a tarpaulin or other waterproof sheeting.

Carry the boards as shown in order to avoid damage/breakage or injury.


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