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Comparison of Various Air Ducts
Apr 26, 2018
Comparison of Various Air Ducts
ItemPhenolic ductPIR DuctPU ductPolyethylene(PE)Rubber
Standard Size3950*1200*20mm3950*1200*20mm3950*1200*20mm2.06*1.03 m1.2*1.2 m
Density50, 60 kg/m355 kg/m350 kg/m359 kg/m365-85 kg/m3
Use Rangeindoor/ outdoorindoor/ outdoorindoor/ outdoorindoorindoor
Re-use rate90%90%90%00
Life-spanOver 20 yearsOver 20 yearsOver 20 years8-10 years10-15 years
Fire ResistantClass 0Class 0Class 1Class 2Class 2
Whole weight1.3 or 1.4kg/m21.4kg/m21.3kg/m29.28 kg/m2 (including GI sheet)9.32 kg/m2
Thermal Conductivity0.023w/m.k0.022w/m.k0.022w/m.k0.032w/m.k0.034w/m.k
Common Thickness20/25/30mm20/25/30mm20/25/30mm12,15,20,25,30 mm9,13,19 mm
Water absorption1.90%0.05-0.06%0.05-0.06%0.8-1.2%1.5-3.0%
Working Temperature-260℃~ +150℃-60℃~ +80℃-60℃~ +80℃-55℃~ +90℃-40℃~ 105℃
Aging resistanceAAACB
Use conditionIndependent useIndependent useIndependent useUsed as insulation for GI ductUsed as insulation for GI duct
Fabrication &
Installation
easyeasyeasycomplicatedcomplicated
Environment Protection PropertyMeets the requirement for environment protectionMeets the requirement for environment protectionMeets the requirement for environment protectionMeets the requirement for environment protectionNot good