fiberglass ceiling board

fiberglass ceiling board Description The tiles are made of high density fiberglass wool, faced with a decorative fiberglass tissue/mat and backed with a normal tissue. The four edges have grooves being tegular shape and are sealed. Features Non-combustible: Grade A No sagging, wrapping or delaminating Green building material Excellent sound absorption Dimension:600*600*15/20mm,600*1200*15/20mm Application classrooms, offices, shopping center, etc. Installation Use exposed grids, grids width:15mm or 24mm Tiles are easy to trim and install Both inches and centimeters grids are available Technical data Material : torreefaction compounded high density fiberglass wool Face: special painting laminated with decorative fiberglass tissue Color: white, black and others to order Fire-resistant: Grade A, non- combustible Thermal-resistant: ≥0.5 (m2k/w) Humidity: dimensionally stable with RH up to 95% at 40,no sagging, wrapping or delaminating Moisture rate: ≤1%(JC/T670-2005) Enviromental impact: tiles and packing are fully recyclable Safety: limit of radionuclides in building materials Specific activity of 226Ra: Ira≤1.0 Specific activity of 226Ra, 232Th, 40K: Ir≤1.3