sound absorbtion mineral wool ceiling board

1.mineral wool fiber 2.years quality guarantee 3.heatly and eco-friendly 4.elegant designs and sizes

1.meterials: mineral cotton ,compound fiber

2.surface : moistureproof ,dope,mouldproof ,ethylene coating,fireproof reagent

3.humidity resistance: >75%

4.NRC:0.4-0.6 Depending On The Pattern And The Thickness

5.environmental production: 100% asbestos-free

6.bending strength:>250N

7.acoustical performance: accoring to EN20-140-1994 standard

8.fire performance : accoring to GT8-624-1997standard

9.edge type :square ,flat,tregular, concealed and shiplap

10.dimension: 300*600 ,300*1200 ,600*600 ,600*1200

11.Thermal conductivity: <= 0.065W/mK

12.thickness: 8mm,10mm,12mm ,14mm,15mm,18mm, 20mm

13.pattern: sand blast,pineholes,little star,lovely sworm

14.founction: fireproofing,sound-absorbing, warm-keeping

sound absorbtion mineral wool ceiling board