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Test for caps of plastic injection vials

Carrie Jul 16,2019 Share this post:

How to check the seal of the caps of plastic injection vials is as follows:

There are clear requirements for the detection of the sealing performance of the aluminum cover in the inspection standard of the aluminum cover. Depending on the use of the aluminum cover, there are different regulations for the test methods that do not include a gas cap and a gas cap. If the gas cap is not included, the oral liquid bottle cap should be cut off and the anti-theft ring should be used for the rated torque of 1.2NM. It should be tested with a seal tester, pressurized to 200Kpa, and kept under water for 1 minute to observe whether it leaks or After tripping, the gas-containing cap is pressurized to 690 kPa, and the pressure is maintained under water for 1 minute. Observe whether the gas leaks, and then increase the pressure to 1207 kPa, and maintain the pressure for 1 minute to observe whether the aluminum cap is tripped.


1000ml plastic medicine bottle manufacturer


However, in the reasonable control of the easy opening of the oral liquid bottle cap, it is necessary to pay attention to the detection of the sealing performance closely related to it, otherwise it will be a hidden danger in the case of leakage due to insufficient torque. It can be seen that the sealing performance of the aluminum cover is also a key detection index for realizing convenient consumption of the container.


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