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Mgo Board with Bevelled Edges

-BRAND NAME: OCM

-MODEL NUMBER: Mgo Board with Bevelled Edges

-COLOR: WHITE

-DENSITY: 1.0-1.3KG/M3

-EDGE: Bevelled

-SURFACE: SMOOTH

-BACKSIDE: ON-WOVEN FABRIC

-FIREPROOF: 3 HOURS

-STANDARD SIZE: 1220*2440*3-25MM

-CERTIFICATE: CE, SGS, ISO9001:2000 AND QC SYSTEM



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Description

Magnesium oxide board also called Mgo board and fireproof board is manufactured by using special craft through totally automatic product line. The materials of magnesium fireproof board are Magnesia (MGO), Magnesium Chloride (Mgcl2) and Alkali glass fiber mesh.


Comparison of different OCM mgo board quality as follow

Quality Levels

Layer of Fiber Glass

 

Quality of Fiber glass

Economical Level

2

4*6

Standard Level

2

4*6 and 6*6

Premium Level

3

6*6



 Specification

 

√ Thickness ranging from 3-25mm

 

√ Standard size: 1220*2440mm, 1200*2400mm.

 

√ Max width 1220mm, Max length 3660mm

 

√ Sanded back and slurry surface are all fully tested ICC $UL approved.

 

√ Special sizes available by special order.

 

√ Edge can be square,tapered,bevelled.



Application


Mgo Board used for Wall partition, Interior & Exterior wall, Ceiling, Flooring and prefabricated houses.

 

 Technical dates

Compressive Strength

~20 MPa (3,000 PSI)

Impact Resistance

> 6 kJ/m2

Tensile Strength

> 5.5 MPa

Density (Specific Mass)

~1000 Kg/m3 (+/-<2%)

Moisture Absorption

~26% maximum saturation (slow absorption rate)

Moisture Content

~6%

Water Vapour Diffusion

~28 / 35

Specific Heat

~930 J/kgK

Thermal Conductivity

~0.44 W / mK

Modulus of elasticity

~6045 N/mm2

Flexibility
UNI E 12372

~20.1 N/mm2 maximum
12mm x 1220 x 2440 = 10 N/mm2

Surface Alkalinity

~10 Ph

Thermal Expansion Hot/Cold

0,01 mm/mC (from temp +20C to -20C)

Expansion in Water

less than < 0.02% from ambient to saturation

Freeze / Thaw - UNI EN 520

100 cycles without notable effects

Frost Resistance

no water drops form on surface

Combustibility / Fire Ratings

non-combustible / 12mm exceeds 1 hr fire rating

Dimensional tolerance

thick 0.2mm / width 2mm / length 3mm / Sq. 3mm

Toxicity Pollutants Heavy Metals - UNI EN 12457-2

Below measurable levels of test instruments

Asbestos Analysis

Absent - not measurable

Formaldehyde Analysis

Absent - not measurable

Sound Attenuation (9mm)

tested design ASTM E90 = STC 48, 50, 55, & 60

Color

Slate Grey and Chalk White

Surface texture

smooth one side; uniform machine textured back

Basic Compounds

(MgO)+(natural silicates)+(glass fibre)+(wood fibre)

 

 

 



 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 



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