发泡胶由可发性聚苯乙烯橱脂，经先预发再模塑发泡成型而成。该产品具有防震、抗冲击之性能、保温隔热，是较为兼价的包装材料。
　　广泛用于家用电器。精密仪器。电子设备等的包装，另外还常用于海产品及蔬菜水果的保鲜储具、工业和科技方面的保温隔热等等，在其他行业发泡胶因其出色的适应性和通性得到广泛应用。比如说自行车头盔或滑板的制造等等。
EPS,pre-foamed by expandable polyester resin and then formed in moding,is characteristic of being anti-shock and-impact,thermo-protective and heat-resistant,and is a king of low-priced packing material.
EPS is widely used in packing household electrical appliances,precision instruments and electronic equipment,In addition,it is often used as preserving package for marine products and vegeables,and thermo-protective material for industrial and technology fieldsetc.It isalso widely used in other fields due to its distinguished application and usage,such as the manufacturing of helmets or skateboards and so on.