Foam is a kind of polymer material formed by dispersing a large number of gas pores in solid plastics, and its dielectric properties are superior to that of the matrix resin. Its use is very wide. It has moisture barrier, shockproof, sound insulation, heat preservation, good plasticity and strong toughness. , recycling, environmental protection, strong anti-collision and many other advantages, also has good chemical resistance. Widely used in electronic appliances, instrumentation, computers, audio, medical equipment, industrial control chassis, lighting, handicrafts, glass, ceramics, home appliances , spraying, furniture, wine and gift packaging, hardware products, toys, fruits, leather shoes, packaging, daily necessities and other products packaging
