бежевый нитрильного каучука пены изоляции лист

Property 1)we develope it on the basis of black thermal insulation material,it is suitable in no ceiling condition of wind pipe 2)meet the Chinese standard GB8624,we combine the function of thermal insulation,humid-proof and decoration into one body ,which make the wind pipe more beautiful and elegant after equipping beige sheet.Furthermore,it save the construction investment and construction space and save the lightening cost. 3)apparent density : it is equal or less than 70 kg/ M3 4) water vapor permeability : it is equal or less than 4.0* 10-11 5)water vapor diffusion resistance : it is equal or more than 4.5 * 103 6) water absorption rate: it is equal or less than 10.0% 7)tearing strength : no less than 2.5N/CM met standard GB/T10808-89 8)available thickness: 9mm,13mm,19mm,25mm Advantages it is especially suitable in no ceiling space and make the room brighter .