About PET plastic bottle cap sealing inspection

In the testing standards for PET plastic bottle caps, there are clear requirements for the sealing performance of the bottle caps. According to the different uses of bottle caps, there are different regulations for the test methods for the airless caps and the air caps. If there is no air cap, cut off the anti-theft ring (strip) of the bottle cap and use it for sealing with a rated torque of not less than 1.2NM. Test with a seal tester, pressurize to 200kPa, keep the pressure underwater for 1 minute, and observe whether it leaks Air or trip; pressurize the air cap to 690kPa and keep the pressure underwater for 1 minute to observe whether there is air leakage. Then increase the pressure to 1207kPa and keep the pressure for 1 minute to observe whether the cap has tripped. The PET container is transparent, and consumers can clearly see the product 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 appearance can be varied, and the attractiveness of the product can be improved.

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