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药品的泡罩包装亦称PTP（PressThroughPackaging），是以工业用纯铝箔为基材，在药用PTP铝箔印刷涂布机上，采用凹版印刷技术及辊涂涂布的方法在铝箔表面进行印制文字图案，并涂保护层，在另一表面涂粘合层的联动工艺过程。其简要工艺流程为铝箔放卷→凹版印刷→干燥→涂保护层
The blister packaging of medicines is also called PTP (Press Through Packaging). The industrial pure aluminum foil is used as a base material, and is printed on the surface of the aluminum foil by a gravure printing technique and a roller coating method on a pharmaceutical PTP aluminum foil printing coater Pattern, and coated with protective layer, the other surface coated with adhesive layer linked process. The brief process for the unwinding of aluminum foil → gravure printing → drying → coating protective layer