This year, the participation of 0.1% -0.4% sorbitol nucleating agent in general PP can produce high-throughput PP packaging bottles through blowing, blowing, injection, kneading and other methods. PP bottles have good temperature resistance, sensitive bottle shape, excellent performance in terms of safety, hygiene, and consistency of the taste of the contents. The price is cheaper than PET, PS, PE and other materials.
The use of PP bottles in beverage packaging malls has gradually approached PET bottles. The continuous development of modified resins, anti-reflection agents, and mechanical equipment skills has enabled PP containers to replace glass, PET, and PVC containers, and has a broad market prospect. PET bottles are a dry stream for beverage packaging. PET chip particles dominate the Chinese beverage packaging industry. So far, no better or better packaging material has been found to replace PET.
PP bottles are mainly molded in one-step injection stretch-blow and two-step heating stretch-blow molding machines. PP bottles have the advantages of being bright, robust, and heat-resistant, and the price is lower than traditional materials. It can be stored at 100 ° C for hot filling, and the filling temperature of general PET bottles cannot be higher than 76 ° C with glass transition. PP's moisture barrier function is about 5 times that of PET. PP preforms are cheaper than PET preforms. PP bottles have a longer cycle time than PET bottles.
Ningbo RuiChang Commodity Packaging Co , Ltd . is a professional China manufacturer and supplier of PP Bottle . All products using PP bottles are packaged in cosmetic vacuum bottles, designed to make your cosmetic bottles easy to use every day, thereby protecting the contents from contamination and chemical changes. Welcome to buy: https://www.ruichangpacking.com/
来源：https://www.cnblogs.com/Emilypacking/p/12365620.html