How is the tightness of hdpe bottle caps checked?
The bottle cap of PET food plastic bottles is a very important part, especially for the inspection of the tightness of hdpe bottle caps, how is the tightness of hdpe bottle caps checked?
In the testing standard of hdpe bottle caps, there are clear requirements for the sealing performance testing of the bottle caps. According to the different use of the bottle cap, there are different...
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