What items should be tested for PET bottles/caps for beverage products？

Test Method

Summary of bottle cap test items Sealing performance test Use a capping machine to seal the non-carbonated cap according to the rated torque that meets the requirements, test it with a seal tester, pressurize to 200kPa, keep the pressure under water for 1min, observe whether there is air leakage, then increase the pressure to 350kPa, …

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