Phenlic Foam Pre-insulation Ducts is a new type of thermal insulation material, which is made by mould and cutting. It¡¯s of excellent heat preservation effect, convenient installing and trim appearance. It¡¯s widely used in the thermal insulation of cold and heat water pipe, petroleum and chemical engineering ducts. It¡¯s an ideal product to replace rubber-foam, fiberglass and polyurethane foam in insulation industry.