Nowadays, there are many kinds of plastic syringes for pets on the market, and the quality is different. How can we correctly identify the quality of dial a dose syringe? Now do the following brief analysis based on some of its characteristics:
First of all, the plastic syringe has lower cost and higher safety than the glass feeder, and is not easy to be broken. The production process of the relatively high quality pet applicators product is relatively advanced, generally adopting the injection molding process to produce the syringe. The products produced by the injection molding process are molded at one time without any scraps, and the products are accurate in size and uniform in weight.
Secondly, the sealing requirements of the feeder product are relatively high. When selecting the feeder, the sealing property should be tested. Half of the water is injected into the syringe, the piston is inserted into the syringe, the protective cap is removed, and the residual air is removed. Block with the cap and apply an axial pressure of 30 N through the push rod on the pusher plug inside the feeding syringe for 30 seconds. There should be no leakage at the cap seal and the piston seal.
Third, because it is directly in contact with drugs, it must be sterilized. Generally, the feeder should be produced in a clean workshop that meets national standards. In addition, in order to ensure sterility, if there is a high requirement for sterility, additional Ethylene oxide sterilization or cobalt 60 irradiation sterilization.
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