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What is the scientific name of the foam in the box?

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foam is also called porous plastic. Plastic with numerous micropores inside made of resin as the main raw material. Light weight, heat insulation, sound absorption, shock resistance and corrosion resistance. There are soft and hard. It is widely used as heat insulation, sound insulation, packaging materials and vehicle hull
foam plastic microporous plastic
contains a total number of microporous plastic. Br> plastic with many tiny pores inside. It is prepared by mechanical method (blowing it with air or carbon dioxide while mechanical stirring) or chemical method (adding foaming agent). It is divided into closed pass and open pass. The pores in the closed pore type are isolated from each other and have floatability; The pores in the open hole type are connected with each other and have no floatability. It can be made of polystyrene, polyvinyl chloride, polyurethane and other resins. It can be used as heat insulation and sound insulation materials for a wide range of purposes. The main landform is called glass fiber reinforced polyurethane foam, which is prepared by reaction injection molding.

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