In life, we often use a variety of packaging bags, vacuum bag is one of them. There are many kinds of vacuum bags, including industrial packaging food packaging. The product standard of food vacuum bag is obviously higher than that of ordinary industrial products, so what problems should we pay attention to when purchasing vacuum bag?
Precautions for purchasing vacuum bags:
1. The outer package of vacuum packaging bag for food shall be marked with Chinese mark, factory name, factory address product name, the words "for food" shall be marked clearly. All products are attached with product inspection certificate after leaving the factory.
2. Vacuum packaging bags for food are odorless odorless when they leave the factory. Vacuum packaging bags with special odor cannot be used for food packaging.
3. Colored vacuum packaging bags cannot be used for food packaging. Because this kind of vacuum packaging bags are often made of recycled plastic.
4. Try to choose materials without coating coating. In modern packaging design, in order to make the packaging more beautiful corrosion-resistant, a large number of materials with coating are used. This only brings difficulties to the recovery reuse of the discarded materials, but also makes most of the coatings toxic. If people eat these packaged food, it will cause great harm to people's health. In addition, the process of coating plating also brings great pollution to the environment. Such as volatile toxic solvent gas of coating, waste liquid residue pollution of heavy metals such as chromium produced during electroplating, etc. Therefore, we should try our best to choose the packaging materials without coating plating.
5. Choose food vacuum packaging bags to buy in shopping malls, in street stalls.
6. Because the vacuum packaging bag for food is easy to degrade, it will cause environmental pollution. Therefore, green packaging materials are used when purchasing food. Paper is the most widely used green packaging material. Therefore, it is better to choose the original paper packaging when purchasing food, the biodegradable plastic is also suitable.
The above is the introduction of Lianyungang Weihua Packaging Co., Ltd. on vacuum bags. If you want to know more about this, you are welcome to consult our experts on vacuum bag manufacturers online, we will solve the problem for you at any time.