XPS composite duct is a new composite product with taken Polystyrene foam(hard&difficult flammability Lever B1) as the heat preservation layer,with double-face embossing aluminum foil and disposable processing. This product has the characteristic of light texture,elegant,easy installation and maintenance,non-toxic,anti-high pressure,no water absorption,wet-proof,airtight,low thermal conductivity,lasting heat preservation and heat insulation,Moreover,It can raise the ceiling height maximum,with high space utilization. It is an affordable health and environmental protection product.
Product parameters
1 fire rating (GB8624 - 1997)
Flame Retardant Grade B1
2, bulk density 45-60kg / m3
3, the product water absorption of less than 1.5% (V.V)
4, the thermal conductivity at room temperature for 24 products under the thermal conductivity of less than 0.03V / M · K
5, air leakage
Meet the "quality of ventilation and air conditioning construction acceptance" requirement
6, compression strength: 250Kpa
7, dimensional stability: 2%
8, then 60% -80% utilization
9, thermal expansion coefficient: 28.7E-6
10, life expectancy 20 years