How to test the tightness of PET plastic bottle caps

Many people worry that the sealing performance of pet plastic bottle caps will be terrible. If the goods are damaged during transportation, it will not be good. They have to admit that this is a problem. Various manufacturers have also carried out a series of these problems. Testing makes consumers feel relieved.

In the testing standards for PET plastic bottle caps, there are precise requirements for the sealing performance of the bottle caps. According to the different uses of bottle caps, there are other regulations for the measurement methods of airless caps and air-containing caps. If there is no air cap, cut off the anti-theft ring (strip) of the bottle cap and use it to seal with a rated torque of not less than 1.2NM. Test with a seal tester, pressurize it to 200kPa, keep the pressure underwater for 1 minute, and observe whether it leaks. Air or trip; pressurize the air cap to 690kPa and hold the pressure underwater for 1 minute to watch air leakage. Then increase the pressure to 1207kPa and keep the pressure for 1 minute to observe whether the cap has tripped.

The appearance of PET plastic bottles is transparent, and consumers can see the products in the container, which gives consumers confidence in buying to a large extent. In terms of the innovative design of the bottle body, the PET container can provide a great degree of freedom, and can be specially designed according to different requirements, so that its shape can be varied, and the attractiveness of the product is greatly improved. At present, PET bottles used for oral liquids are more common.

Yangjiang Hengmao Packaging Products Co., Ltd. focuses on the customized production of food-grade plastic bottle packaging. It has a one-stop automatic production line from raw materials-finished products-packaging to ensure food safety, stability, and controllability. It is a long-term partner of several well-known domestic food companies such as Chubang Food, Jiahao Food, Shenghetang Food, and Tianhe Food. Welcome to customize all kinds of pet plastic bottles; look for Hengmao packaging, professional and more reliable!