2021.12.07
The foam box is a box type packing container made of foam plastic (multi hollow plastic), and the plastic foam is a plastic with many tiny pores inside. EPS foamed plastic is a lightweight material made of foam material, which is made up of polystyrene resin, foaming agent and other auxiliary materials. It is an indispensable heat preservation and preservation material for seafood freezing, vegetable preservation, cold storage, railway passenger car and so on.
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