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When it comes to chemical stocks, many people are not interested. This industry does not sound as sexy as new energy, nor as grounded as consumption (I'm not referring to the valuation).
12
2021
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Varieties, properties and uses of common plastics
Thermoplastic: refers to the plastic that will melt and flow after heating, and will be molded after cooling, and will melt again after reheating; that is, it can be heated and cooled to produce reversible changes (liquid ←→ solid), which is the so-called physical change. They are soluble in certain solvents and have the property of being meltable and soluble.
28
2022
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