aluminium caps of pilfer proof
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It 's convenient to utilize the temper-evident cap and this kind caps have been widely used in antibiotic bottles , alcohol bottles, etc. The evident feature is the structure of this cap on which profile there are 6-8 points separated with equal length and these points can be twisted off anticlockwise then the antibiotic or other liquid can be used immediately. Whenever the points are twisted off, the caps should be abandoned also. There are several shortcomings with this kind aluminium caps, such as:Temperate hardness aluminium materials must be used in manufacture process in ogder to the power of twisted can be moderate, but there will be many difficulty to machining the aluminium when the aluminium hardness is exaggerate or immoderate hardness. Otherwise the printing, fastness of the film etc all are strictly regulated.