Plastic box material
- Oct 24, 2018 -

Plastics are made of synthetic or natural polymer resins. After adding various auxiliaries, it has ductility at a certain temperature and pressure, and can fix its shape after cooling. Natural or synthetic polymer resin molecules in the melting state, and around the uniform distribution of auxiliaries molecule process called plasticization, has reached this process called has been plasticized, has not yet reached, is considered not plasticized. Plastic packaging is one of the four major materials in the packaging industry: paper and cardboard accounted for 30%, plastic accounted for 25%, metal accounted for 25%, glass accounted for 15%.