Our Mineral fiber Ceiling Board can effectively insulate the sound and no Asbestos, no Formaldehyde, 100% friendly environment. The fire performance meet CNS6532 Class 1. Diffent size and thickness for your choice. Please find the surface patterns below. Features: 1) Material: Mineral fiber sound insulation board 2) Surface: A variety of surface patterns available 3) Coating: PVDA 4) Color: white 5) Density: 350-420kg/ m 6) Fiber content: > = 90% 7) Fire performance: meet CNS6532 Class 1 8) Product content: mineral fiber 9) Thermal conductivity: 250N 11) Noise reduction coefficient: NRC 0.4 - 0.6 depending on the pattern and the thickness 12) Water content: = 85% 14) Mold resistance 15) No Asbestos 16) No Formaldehyde 17) Dimensions: 600 x 600mm, 600 x 1200mm Thickness: 6.5mm--18mm Best regards Lucy Zhang Great Mountain Industrial & Trading Co., Ltd Cell phone: + 86-15122648139 Tel/ Fax: + 86-22-82662519 Skype: usalucy0311 QQ: 719425136 ICQ: 619117310 MSN: usalucy0311@ hotmail.com Email: gmfusalucy@ 163.com http: / / usalucy0311.cn.b2b168.com/ http: / / usalucy0311.en.b 2b168.com http: / / moriya.cn.b2b168.com http: / / greatmountain.globalimporter.ne t