... thickness Humidity Resistance(RH)>=80%Light reflectivity>=85%Fire Performancenon-combustible,reach class A according to GB8624 ... -1999Moisture resistantconform to the quality requirements of standard board(12mm,14mm)according to JC/T670-2005Environmental protectionno ... , 21mm, 22mm etc.Product FeatureSound absorbing,Resistance to fire, warm-keeping, energy-saving, heat-insulatingPatternPine holes,Little ...