Medical aluminum foil bag packaging is widely contacted in life. Today, we take drug packaging as an example to analyze how strict the material selection requirements of pharmaceutical packaging materials are. The common drug packaging forms on the market generally include granule, powder, tablet and liquid medicine packaging. Next, we discuss the material selection requirements for pharmaceutical packaging of granules, powders and tablets.
Granule and powder drugs are packaged in the drugs used by most consumers. Bagged granule and powder drugs that are easy to dissolve and take are two common drugs. From the perspective of packaging materials and packaging forms of granular and powdered drugs, with the progress of packaging technology and the development of equipment, the medical aluminum foil bag packaging material with multi-layer aluminum-plastic composite film has become the first choice of drug packaging materials because of its excellent barrier and excellent moisture-proof effect. Let’s observe from the perspective of process and equipment. In the national standard of aluminum foil for pharmaceutical packaging, there are clear requirements for the surface quality of printed words of pharmaceutical aluminum foil, and there are physical and chemical indexes for the performance of protective layer and adhesive layer, so as to protect pharmaceutical PTP aluminum foil with good barrier, health and safety, heat sealing and good physical and mechanical properties. In order to meet the above requirements in the production process of PTP aluminum foil printing and coating, we still need to be familiar with the properties of the applied raw materials. How to control the heat sealing temperature of granular and powder drug packaging, how to control the filling amount of drugs, and how to test the sealing degree of bag packaging have become important issues that pharmaceutical manufacturers must pay attention to. Firstly, the control and solution of packaging heat sealing problem should fully consider the heat shrinkage ratio of packaging materials, as well as the number of layers and materials of composite packaging film.
If the execution temperature of the heat sealing process is too high and the shrinkage ratio is too large, the heat sealing edge will be wrinkled, while the low heat sealing temperature and thick composite film will lead to the loose sealing of the package. Therefore, in order to achieve good sealing effect quickly and better, it is necessary to combine the technical and equipment characteristics and the packaging material details provided by the drug packaging material supplier, as well as the shrinkage ratio and other relevant parameters to achieve sealing.
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