Plastics are high-molecular synthetic materials with ma […]
Plastics are high-molecular synthetic materials with many types. The advantages are:
(1) Good mechanical properties, light weight, convenient storage and transportation, easy to carry and use;
(2) Permeability, good sealing and high transparency;
(3) With good processing performance, it can be manufactured into bottles, caps, films, bags and composite packaging materials of various sizes;
(4) Good decorative coloring and printing performance. Drug labels, instructions, labels, bar codes can be directly inkjet or printed on plastic materials, and will not fall off;
(5) Good chemical stability, weak toxicity, hygiene and safety. The cover of the medicine can be made into a safety cover or a pressure cover, as well as an anti-counterfeiting mark and so on.y day, thereby protecting the contents from pollution and chemical changes.
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