Writing Resources
The classification of thermoplastic plastic by function and use can be classified into 3 categories 1 general plastic PE PVC PS PMMA 2 general engineering plastics PA PC POM PET PBT PPO MPPO 3 and special engineering plastics PTFE PPS PI Polysulfone polyketone Plastic is made from two parts resin and additives The field of plastic applications 1 packing materials are the largest use of plastic accounting for more than 20 of the total amount and the main products are as follows 1 The film products such as heavy packaging film barrier film heat shrinkable film self adhesive film anti rust film tear film and air cushion Membrane etc 2 Bottle products such as food packaging bottles oil beer soda liquor vinegar soy sauce and milk etc cosmetic bottles medicine bottles and chemical reagent bottles etc 3 Boxes of products such as food boxes lunch boxes cake boxes gift boxes and ice cream boxes etc and hardware handicrafts Stationery and other boxes 4 Cup products such as a disposable beverage cup milk cup and yogurt cup 5 Boxes of products such as beer boxes soda boxes food containers working containers ammunition boxes fruit boxes vegetable boxes and And so on 6 Bags such as handbags and woven bags etc 2 daily necessities mainly include the following items 1 The products such as POTS buckets boxes baskets plates chairs ships leather cases thermos bottles silk and nets etc 2 Stationery such as a pen ruler clip knife table tennis badminton and racket etc 3
