Specifications Heat Insulation, Sound-Absorbing, Specification: 1) Sizes: 595 x 595mm, 600 x 600mm, 603 x 603mm, 595 x 1195mm, 600 x 1200mm,etc . 2) Thickness: 6mm--15 mm etc Specification: 1) Sizes: 595 x 595mm, 600 x 600mm, 603 x 603mm, 595 x 1195mm, 600 x 1200mm, 2) Thickness: 6mm,7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16mm, 18mm,20mm 3) Edge: Square edge and tegular edge Performance: 1) Decoration, sound absorption, fire-resistant, heat-insulation, economization etc. 2) Surface: A variety of surface patterns available 3) Color of Surface: White 4) Density: 350 - 420kg/m 5) Fire-resistant properties: Class B1 qualification (GB8625-88) 6) Noise Reduction Coefficient: Nrc 0.4 - 0.6 Depending On The Pattern And The thickness 7) Heat conducting coefficient: <0.065w/mk 8) Bending strength: >250N 9) No Asbestos. 10) No Formaldehyde. Accessories: Ceiling T bar (32 and 38H model)