1 Most plastics are light, chemically stable and will not rust;
2 good impact resistance;
3 has good transparency and wear resistance;
4 good insulation, low thermal conductivity;
5 General moldability, good coloring, low processing cost;
6 Most plastics have poor heat resistance, high thermal expansion rate, and are easy to burn;
7 poor dimensional stability, easy to deform;
8 Most plastics have poor low temperature resistance and become brittle at low temperatures.
9 easy to age;
10 Some plastics are easily dissolved in solvents.
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