Is the plastic of the plastic tea wax shell made of polycarbonate?
Polycarbonate (PC for short) is a high molecular polymer containing carbonate group in the molecular chain. According to the structure of ester group, it can be divided into aliphatic group, aromatic group and other types.The low mechanical properties of aliphatic and aliphatic - aromatic polycarbonate limit its application in engineering plastics.At present, only aromatic polycarbonate has been industrialized.Because of the particularity of polycarbonate structure, polycarbonate has become a general engineering plastic with fast growth rate among the five engineering plastics.
As transparent PC plastic, the first to ensure high transparency, followed by strength, impact resistance, wear resistance, heat resistance, chemical resistance is good, water absorption should be small, only in this way to meet the requirements of transparency in the use.For the selection of transparent plastic, PC plastic is the ideal choice, but its price is high, injection molding process is difficult, so often choose PMMA, and PPE due to stretch to get good mechanical properties, so more in the packaging and container use.
PC "plastic candle cup" material advantages are: 1, with high strength and elastic coefficient, high impact strength, wide range of temperature;2. High transparency and free dyeing;3. Low shrinkage, good size stability, etc.
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