application: ceiling/wall size: 600 x 600mm thickness: 20mm edge profile: square, taper fire rating: astmd - 876 (self extinguishing) density: 400-500kg/m2 mass per unit area: 8 kg/m2 eco friendly: yes (as per iec-62321, edi (iii/54/cdv) epa 3540c) bending strength: 0.9n/mm2 compressive strength: 0.20n/mm2 moisture resistant: water/environmental test/ at 60oc with 90% rh no. deterioration technical specifications providing "aphony fibrette" 20mm walls tiles made of wood fiber-cement composites with as option of colors as per the choice of the architect/ persons in charge of size 600x1200mm. highly recommend for walls has excellent noise absorption of 1 nrc as per iso:354-1985 and astm 423-90 density 400 kg/m3, meets stringent fire ratings astmd-876 and fire class -1 and class p-not easily ignitable as per bs-476 part 5,6,7, weather resistance as per is 3308, thermal insulation as per is:3346-1980 with a relative humidity of 90%rh at 60oc for 15 days = no deterioration. tested as per en131682001 and are rohs compliant.
providing and fixing of himalyan acoustics " wooden slats" fr grade 2430 x 131 x 16mm made of exterior grade mdf backed with acoustical fleece providing sound absorption of .88 nrc as per iso 354. to be installed with 17mm aluminium profile conforms alloy 6063-t 6. temper as per bs:1474-1987 and g.i lock in clips on the back of tongue and groove system. the density per panel is 750-800 kg/m3. the panels come with a tongue & groove for seamless patterns, 4-28mm groove, and visible panel. these slats are made from acoustical fiberboard with linear perforations for excellent uniformity. the perpendicular holes are available on the back of the panel which is covered by black acoustics fleece. can be installed on himalyan acoustics g.i studs 2400mm x 50mm web thickness .5mm flanges 15 & 50mm fully knurled giving it high strength, hot-dipped galvanized steel with 120 gsm zinc coating specially designed for acoustics vibration management and long life with a backing of himalyan acoustics. 50mm thickness 1000gsm absorbwool tested as per fir retardant astmd 635-1991 and is 15061-200 for excellent results.