| Qingdao Yifeng Plastic Machinery Co.,Ltd.is specialized in the design and produce XPS Foamed Board Extrusion Line,also named as polystyrene extrusion plastic sheet (abbreviation XPS ) has a perfect closed-pore alveolate structure. Its density, water absorption, coefficient of heat conducting and the coefficient of steam pervasion are all lower than those of other sheet heat insulating materials and they have the characteristics of strong intensity, light weight, airtight, anticorrosion, ageing resistance, low cost, etc. It has been widely used in the fields of heat preservation in the construction industry and the highway, railway, airport, square of freezing heat preservation and household fitment. It is currently on the market as the best heat preservation materials. |
