Made from the our boards with perforated holes by 100t punching machine,hole sizes can be changed by dies adjustment.

Material base:Modified magnesia board

Suface material:Emulsion paint of acrylic acid

Size:603mm*603mm*5mm-9mm,595mm*595mm*5mm-9mm,600mm*1200mm*5mm-9mm

Bending strength:15Mpa (GB/T7019-1997)

Density:0.8-1.1g/cm3 (GB/T7019-1997)

Absorbing water rate:15% (JC688-1998)

Fireproof characteristic:A grade not combustible (GB8624-1997) not combustible (BS476 part4)

Thermal resistance:1.14m2K/W (GB/T13475-92)

The corner is deal with:bright shelf platform

Radioactivity:not limited by the scope of application (GB6763-2000)

Safe:100% does not include such harmful substances as the asbestos and etc.

Acoustic perforated Mgo ceiling board