We are offering pre insulated pu air duct panel.td pre insulated aluminium composite pu (polyurethane) air duct panel is composed of a layer base from good fire retardant rigid pu(polyurethane) foam, covering both sides with a 75 micron embossed aluminium foil and coupled with layers of corrosion resistant paint. td pre insulated aluminium composite pu (polyurethane) air duct panel is approved by third party in australia as per as/nzs 1530.3-1999.the methods for fire tests on building materials, components and structures - simultaneous determination of ignitability, flame propagation, heat release and smoke release. We are manufacturing based on it. general standard length: 4.00m width: 1.20m thickness: 20mm within a tolerance +/-0.5mm density of polyure: 52kg/m3 within a tolerance +/-2kg/m3 compressive strength: 200 n/mm2 thermal conductivity: 0.021w/m.c flame retardant: b1 friction coefficient: 0.0135 weight: 1.46kg/m2 working temperature: -60~+80c humidity: 0~100% pressure in duct max: 2, 000 pa air flow max: 12m/s advantage fire safety, fire retardant b1 excellent, constant thermal insulation thanks to the high density polyurethane(52+/-2kg/m3) light wieght, td ducts weight 1.46kg/m2 compared to 9.8kg/m2 sheet metal duct. silent operation, vibration and reverberation are minimized, increasing system comfort. hygienic and does not absorb humidity. air tight seal, very low are leakage, the leakage test result is only 0.98m3/h.m2. simple and easy but highly productive fabrication and installation easy maintenance and modification can be performed on site, cut and gluing can be applied in any section of the ducts. excellent appearance and long lasting, life expectancy are 20 years. quantity 3300m2 package 6 pieces per package valid until 2013/06/25 related keywords: panel, duct, board , insulation, pu, pir, polyurethane , polyisocyanurate , insulated, air duct , duct panels, duct board, preinsulated duct, pu panel, pir panel, ac duct, sandwich.
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