sandwich panel
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1.??? Product Introduction
?????? Perlite fireproof sandwich panel
???????a. Consistance: Mgo board+Perlite core+Mgo board
?????? b. Features: non-combustible, non-toxic, fireproof, weatherproof, heat insulation and preservation, sound insulation
?????? c. Application: Interior and external walls for buildings
????????????????????????????? Wall material for Tunnel, subway station, underground passage, underground shopping centre, and various underground constructions.
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2.??? Main Performance
?? Density: 250-300kg/m3
?? Anti-bend intensity≥8Mpa
?? Compressive strength: 0.35-0.8Mpa
?? Thermal conductivity≤0.035-0.076W/(m.k)
?? Moisture content(%)≤10
??? Wet expansion rate(%)≤0.25
??? Fireproof limit: 0.6-2h
??? Fireproof temperature: 1200c
???? Sound-absorption coefficient: 0.03-0.8
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3.???? Certificates
a. Non-combustible Report, A1 rate, GB 8624-2006
b. Non-toxic Report, AQ1 rate, GB/T 20285-2006
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4.???? Product Specification
2100mm*900mm*30-70mm
It could be adjusted at customers' request.