Plane Aluminum Foil Polystyrene Heat Preservation

Composite duct board is a new and excellent performance building material that becomes popular and develops very fast in recent years. It is the upgraded product for central air conditioner duct, which features heat preservation and insulation, fire prevention, inflaming retarding, acoustic absorption, damp proof ness, and light body.The outer layer of XPS composite duct board is the empaistic aluminum foil of corrosion and fungal resistance, with the thickness of aluminum foil of 0.08mm. The medium core heat insulation layer is the heat preservation materials of Grade B1. They conform to the technical requirements for tubes according to Code for Fire Protection Design of Tall Buildings GB 50045-95, Code for Fire Protection Design of Interior Decoration of Building GB 50222-95, and the state standard GB 50243-2002 Code of Acceptance for Construction Quality of Ventilation and Air Conditioning Works.Specifications: 1) Thickness: 20±0.5mm 2) Length: 3,000±3mm 3) Width: 1,200±2mm Packing: 10pcs/pack