The chemical structure is completely closed-cell foam XPS boards physical structure of honeycomb sandwich insulation materials wholesale, it has characteristics of light weight, high strength, easy to cut, transport, and unbreakable, easy to install. Because fixation extruded polystyrene wall with grass to the use of mechanical fasteners. Bond strength ≥1MPa soaking water uptake 24h≤500g / M2 heat transfer coefficient 1.0W / m2.K impact strength of standard ≥3J enhanced ≥10J breathable water vapor density 1.0g / m2.h artificial weathering: 250h None cracking, chalking, flaking. The areal density of 13.0kg / m2 sandwich insulation material Quote | Zhucheng Yong Hua Plastic Foam | Anqiu sandwich insulation material provided by Zhucheng Yong Hua Plastic Foam Factory. Zhucheng Yong Hua Plastic Foam Factory (www.zchyps.com) Shandong Weifang, a leader in industrial products, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Plastic Foam in Zhucheng Hua Yong leadership with the staff warmly welcome all inquiries negotiations to create the cities of Hua Yong foam plastic a better future.