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Plastic packaging bags mainly use low density and high specific strength, and can obtain high packaging yield of high-frequency machines, that is, "unit mass packaging volume or packaging area". Most plastics have good chemical resistance, good acid resistance, alkali resistance and various organic solvents, and will not oxidize when placed for a long time.
隐藏域元素占位
Plastic packaging bags mainly use low density and high specific strength, and can obtain high packaging yield of high-frequency machines, that is, "unit mass packaging volume or packaging area". Most plastics have good chemical resistance, good acid resistance, alkali resistance and various organic solvents, and will not oxidize when placed for a long time.
隐藏域元素占位
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The development of packaging bags has gone through four obvious stages: the original packaging bag stage, the large packaging bag stage, the small packaging bag stage, and the current gradually entering a new stage of environmentally friendly (green) packaging bags.
隐藏域元素占位
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Benefits of choosing kraft paper for food packaging bags
Some of the benefits of applying kraft paper to food packaging:
隐藏域元素占位
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