The PET plastic bottle has the characteristics of light texture, high transparency, difficult to crack and other characteristics, easy to transport and so on. It is mostly used for oral liquid preparation without final sterilization and oral solid preparation.
First, polyester bottles are light in weight, easy to shape and firm in bottles. The strength and elasticity are obviously higher than other raw materials. The PET bottles which are suitable for the thin wall, light weight and high strength have been used in China for 40 years and have developed rapidly. In recent 20 years, it has become the most important liquid and solid packaging container in China. In the application of drug packing field, the weight of PET bottle is only about 1 / 10 of the glass bottle with the same volume of charge, and the capacity of the PET bottle is 1.5 times that of the glass bottle. PET can also be used to make transparent or opaque brown bottles, with various colors and beautiful appearance.
Secondly, the medicinal PET plastic bottle has good gas barrier property. The performance of barrier water vapor and oxygen is excellent, which can fully meet the special storage requirements of drug packaging. It has excellent chemical resistance and can be used for packaging all the products except strong alkali and some organic solvents.
Worldwide, polyester production is growing at a rate of two digits. The medicinal PET plastic bottle made of polyester as the main raw material has become the most mainstream medicine, health care product and food packaging container with its stable characteristics and good transparency.
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