Impressions ? impression of mineral wool sound-absorbing ceilings USG 
 Features and Benefits: 
 Fire mineral fibers 
 Can withstand 1040 F (40 ℃) high temperature / 95% relative humidity environment. 
 A plastic sheet coated with a layer of choice, convenience brushed (only white). 
 Light weight, easy to cut, easy to install. 
 USG special ClimaPlus formula used by the system lifetime lifetime guarantee, that can withstand 1040 F (40 ℃) high temperature / 95% relative humidity environment, and the ceiling with USG DONN keel not apparent subsidence. 
 Color: White 
 Recommended sites: 
 * To be economical, moisture, sound absorption, a pinhole size of the pattern. 
 School / office / retail / showroom / hospital / restaurant / warehouse / light industrial buildings 

 Acoustic performance: NRC0.55 (absorption coefficient) CAC35 (noise factor): 
 Impressions ? impression of mineral wool sound-absorbing ceilings USG 
 Features and Benefits: 
 Fire mineral fibers 
 Can withstand 1040 F (40 ℃) high temperature / 95% relative humidity environment. 
 A plastic sheet coated with a layer of choice, convenience brushed (only white). 
 Light weight, easy to cut, easy to install. 
 USG special ClimaPlus formula used by the system lifetime lifetime guarantee, that can withstand 1040 F (40 ℃) high temperature / 95% relative humidity environment, and the ceiling with USG DONN keel not apparent subsidence. 
 Color: White 
 Recommended sites: 
 * To be economical, moisture, sound absorption, a pinhole size of the pattern. 
 School / office / retail / showroom / hospital / restaurant / warehouse / light industrial buildings 

 Acoustic performance: NRC0.55 (absorption coefficient) CAC35 (noise factor) 
 Technical data 
 Inch Weight: 0.73 lbs / square foot 
 Metric Weight: 3.55 kg / m 
 Thermal conductivity: R-1.68 (0.29m2 ℃ / W) 
 Glare: LR-1 (real 0.79) 
 Recycled materials: 40% 
 U.S. specification ASTM E84 surface burning flame spread of flame index standards: 
 A-extension of the fire index: 25 stop smoking index: 10 
 USA ASTM E1264 standard test Type III, Form2, pattern E 
 Back carrying heavy Recommendation: Please refer to installation and maintenance instructions