E. P. S. (Expandable Poly Styrene) is a lightweight, rigid, plastic foam insulation material produced from solid particles of polystyrene. Expansion is achieved by virtue of small amounts of pentane gas dissolved into the polystyrene base material during production. The gas expands under the action of heat, applied as steam, to form perfectly closed cells of EPS. These cells occupy approximately 40 times the volume of the original polystyrene bead. The EPS beads are then molded into appropriate forms suited to their application. Products made from foamed polystyrene are nearly ubiquitous, for example packing materials, insulation, and foam drink cups.
Hebei Haoshi Plastic Foam Co., Ltd. (formerly Xinji Aiguo Foam factory) is a professional EPS\XPS\PF\PU machinery manufacturer integrating R&D, production, sales and service. It covers an area of 56, 000m2 and has fixed assets of RMB 35 million. In 2009 the company established the world's first EPS market, widely concerned by the government and the circles. In 2010 it passed the certification of ISO9001: 2008 Quality Management System, ensuring product quality through strict procurement, production, sales and after-sales service in accordance with regulations.
