With the continuous improvement of the economy, the development of the packaging industry is obvious to all. When we buy items, the more common plastic packaging. What are the issues to be aware of when choosing a packaging bag? Let ’s take a look at them together by the editor of the plastic packaging factory:
plastic bag
First, the plastic packaging bag should be odorless and odorless when leaving the factory. However, in order to save costs, some bad manufacturers use waste materials for production. The packaging bags produced by these waste materials generally emit an irritating taste, and it is easy to secondary contaminate the packaging products. Therefore, we should try to buy plastic bags without odor.
Second, the outer packaging of plastic bags must have the manufacturer's logo. Regular plastic packaging bag manufacturers will mark the name of the manufacturer, the address of the factory, and the full name of the product company on the outer packaging bag. This effect is that once quality problems occur in the plastic packaging bag, it can be easily traced back to the manufacturer. If you choose a plastic packaging bag that does not indicate the manufacturer, it is recommended to use it with caution.
Third, good plastic bags are generally not cheap. Because good quality plastic packaging bags are made of brand new materials and the cost is relatively high, their selling prices are generally not low. But for a penny and a delivery, the quality of these bags is very good. Low-priced plastic packaging bags are basically produced from old materials, the quality is not guaranteed, and it is not suitable for direct packaging of food. As for how to choose, it still depends on your packaging needs.
Fourth, if the packaging performance allows, you should try to choose a smaller thickness packaging bag. why? First, the thinner packaging bag has a lower single price, which can save you packaging costs. Second, the thin packaging bag is more easily degraded and can reduce pollution to the environment. After all, the thin plastic packaging bag is more in line with the concept of green packaging.
Fifth, try to choose packaging bags without coating and coating materials. Many plastic packaging bags often use materials with a plating layer in order to obtain aesthetic and corrosion resistance. However, this not only brings difficulties to the recycling and reuse of materials after the product is scrapped, but also because most coatings are toxic by themselves. If people consume these packaged foods, they will cause more or less harm to people's bodies. In addition, the coating and plating process also brought greater pollution to the surrounding environment. For example, the coating volatiles toxic solvent gas, and the waste liquid containing heavy metals such as chromium is generated during electroplating, and the waste residue is polluted. Therefore, as far as possible, packaging bags produced by packaging materials without coating and plating should be used.