product name :Gypsum silicon calcium ceilings
l testified by national supervision and tesing centre graded as A
l Water proof
Can be washed over 2000times without discolourment. Wet absorbing less than 0.001 in the air with huminity of 95%
Can be washed over 2000times without discolourment. Wet absorbing less than 0.001 in the air with huminity of 95%
l Mouldy proof
no mouldy and no discolourment at any circums tances
no mouldy and no discolourment at any circums tances
l Light weight
6-7kg M2 carrying weight is 30 times of that of self-weight high intensity:355N. two times then international standard
6-7kg M2 carrying weight is 30 times of that of self-weight high intensity:355N. two times then international standard
l Sound absorbing
frequency(100-5000Hz), coefficient(0.75-0.80) able to lower noise inside
frequency(100-5000Hz), coefficient(0.75-0.80) able to lower noise inside
l Aging resistance
distortion is less than 2mm in humidity of 95% efflorensence resistance
distortion is less than 2mm in humidity of 95% efflorensence resistance
l Environment protection
no poison gas and material due to the using of matural inorganic complex amterial
no poison gas and material due to the using of matural inorganic complex amterial
