Technical Data Sheet of Phenolic Foam Air Duct    
ITEM  UNIT  SPECIFICATION
Density kg/m3: 70-75
Double side Aluminum thickness mm: 0.08
Total thickness mm: 20
Thermal Conductivity w/m. K  : 0.02
Flexural Strength  Mpa: 1
Combustion property: Non-combustible Class A
Water Absorption Rate %: 1.9
Max Smoke Density  %: 2
Dimension Change Rate %: 0.3
Compressive Strength Mpa: 0.25
Service Temperature: -250 to150
Standard Size mm: 4000*1200*20