Expanded polystyrene EPS foam board production after blistering heat directly out of the material, and this method is used up to the plate and film production. The two-step molding method of steam, after the foaming agent during the polymerization or by polymerization of polystyrene particles, which particles are then steam heated to above its glass transition temperature, the expansion of about 40 to 80 so that they times, generating a honeycomb coupled with molding. External wall insulation material EPS foam board many manufacturers, the market is the main wall insulation EPS foam board where there are two good, one is a foam board, the scientific name referred EPS; the other is extruded sheet, the scientific name referred XPS . Both are plastic polystyrene foam insulation sheet, but there are differences process. EPS foam board direct _ Zhucheng Hua Yong Plastic Foam (certified) _ Changyi EPS foam board provided by Zhucheng Hua Yong Plastic Foam Factory. Zhucheng Hua Yong Plastic Foam Factory (www.zchyps.com) in the field of industrial products devoted boundless enthusiasm and passion, Zhucheng Hua Yong of foam has been customer-centric, the concept of creating value for customers, quality, service to win the market, and sincerely hope to cooperate with the community to create a successful, create brilliant. Related businesses welcomed the inquiry, Contact: Zhu Yong.