Hydrophobic, Flame-Retardant, Heat-Insulating Rock Wool Insulation Board, Fire Prevention and Smoke Exhaust Duct, Fire-Resistant Composite Aluminum Foil Rock Wo

Product Description

Model: Aluminum PU/PIR duct panel
Panel material: non-metallic
Product name: Composite board air duct
Material: aluminum foil and PU PIR foam pre insulated air duct plate
Standard size: 3950/2950/2900 * 1200 * 20mm
Foam density: 50-55kg/m3 pre insulated duct board
Thermal conductivity; 0.02W/m.k
Aluminum foil thickness 0.08mm/0.2mm
Compressive strength; 0.25 megapascals
Bending strength 2MPa
Water absorption rate: 0.25%