Mineral Fiber Ceiling features: 1) Material: Wet-formed mineral fiber 2) Product Content: Mineral Fiber 3) Surface Finish: Factory-applied vinyl latex paint 4) Color: White 5) NRC: 0.5 - 0.6 6) CAC: Minimum 30** 7) Light Reflectivity: More Than 85% 8) Insulation Value: Average R Factor(at 75℉, 24℃) is 1.31(BTU units),0.23(Watts units) 9)) ASTM E 1264 CLASSIFICATION: Type Ⅲ,Form2, Pattem CE 10) Standard Thickness: 8-20mm 11) Standard Dimensions: 300x600, 600x600, 300x1200, 600x1200, 600x1800mm 12) Fire Performance: Meets GB8624-1997B1 Standards Quality Certificate: ISO9001:2000, CE Certificate