... 6&7), sheet size: 4m*1.2m*20mm phenolic foam air ducting panel is new generation environmental insulation material, when it is ... out non-toxic matter, the material is fire-resistance, insulated, water and moister resistant anticorrosion, anti-aging, sound insulation ... building, totel, hospital, office building, marketplace. We export phenolic air duct by panels with all of the necessary installation ...