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Introduce the characteristics of PET plastic bottles and PET (polyester) raw materialsTime:2022-11-14 PET bottles are mainly used for oral solid and liquid preparations. The main raw materials are PET. PET (polyester resin) is colorless, transparent, non-toxic, odorless and tasteless, with good chemical stability, good resistance to oxygen and water vapor, good odor resistance, high tensile strength and good low temperature resistance. It is used as pricing and packaging materials for medical plastic bottles. Oral liquid medical PET polyester bottle T001-60ml PET bottle is a kind of plastic material called polyethylene terephthalate, or PET for short, which is a polymer formed by the combination of terephthalic acid and ethylene glycol. PET plastic has the characteristics of light weight, high transparency, impact resistance and not easy to break. It can also prevent carbon dioxide gas and keep the steam and water aerated. PET chemical name is polyethylene terephthalate, which is a thermoplastic material. Generally, polyethylene terephthalate and ethylene glycol are esterified to form PET monomer, and then polymerized to form polymer. Oral liquid medical PET polyester bottle T002-100ml The injection stretch blow molding process is mainly used for pharmaceutical PET bottles. After the PET raw materials are uniform in the barrel, they are injected into the preform injection mold to stretch the preform longitudinally through the stretching rod, and then the compressed air is used to inflate the bottle body to achieve horizontal stretching. The plastic bottles produced in this way have high strength, high accuracy of bottle mouth and thread size, stable bottle size, smooth surface, and good transparency, which are particularly suitable for liquid and solid drug packaging. |