What are the quality testing methods for oral liquid bottles? Before oral liquid bottles, glass bottles are mainly used, but with the continuous expansion of plastic application fields, plastic oral liquid bottles have been produced. Compared with glass bottles, plastic bottles are not easy to break and have less noise in the production process. Oral liquid bottles were mainly used in glass bottles before, but with the continuous expansion of plastic application fields, plastic oral liquid bottles were produced. Compared with glass bottles, plastic bottles are not easy to break and have less noise in the production process. One of the key factors affecting the sealing of oral liquid bottles is the sealing of the bottle cap. So how to detect the tightness of the oral liquid bottle cap is as follows: In the testing standard of aluminum cover, there are clear requirements for testing the sealing performance of aluminum cover. According to the different uses of aluminum covers, there are different regulations on the measurement methods of gas-free covers and gas-containing covers. Without the air cap, the anti-theft ring shall be cut off from the oral liquid bottle cap to seal the rated torque of not less than 1.2NM, tested with a sealing tester, pressurized to 200Kpa, kept under water for 1 minute, observed whether there is air leakage or tripping, and the air-containing cap shall be pressurized to 690kpa, kept under water for 1 minute, observed whether there is air leakage, then increased the pressure to 1207. However, while reasonably controlling the easy opening of the oral liquid bottle cap, attention should be paid to detecting the sealing performance closely related to it, otherwise it will be a hidden danger in the case of leakage due to insufficient torque force. It can be seen that the sealing performance of the aluminum cover is also a key detection index to realize the convenient consumption of the container.
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