What are the indicators for the eligibility criteria of food packaging bags?
Release Date:
2020-11-23
Food packaging bags have become one of the indispensable products in the market, mainly because they play an important role in the food industry. It can even be said to be a product that cannot be replaced in a short time. It has become an indispensable product in the food industry. necessity. The quality of a food packaging bag can directly affect the product, and it accompanies the food throughout the process of production and circulation. So how to judge whether the food packaging bag is qualified? Julong Packaging puts forward a few key points for everyone to judge:
1. The appearance of qualified food packaging bags is free of defects such as bubbles and perforations. And the width and length deviation are within a certain range, if it exceeds or there is a defect, it is a defective packaging bag.
2. In the process of making food packaging bags, the physical and mechanical properties include tensile strength and elongation at break, which reflect the ability of the product to withstand stretching during use. If this item is unqualified, the food packaging bag during use ( Film) is prone to cracking and damage.
3. Unqualified food packaging bags can detect heavy metals, residues and other substances that are harmful to human health. At the same time, the residues will also affect the color, aroma, and taste of the food. Such food packaging bags are often very harmful to the human body. It's a big hazard. Qualified food packaging bags are often hygienic to ensure the quality of food. Therefore, the merchants of customized food packaging bags must conduct on-site inspections of the manufacturers in the early stage to ensure their safety and health before placing orders.
4. According to the degradation type of the product, the degradation performance can be divided into photodegradable, biodegradable, and environmentally degradable. Degradation performance reflects the ability of the product to be accepted by the environment after use and disposal. If the degradation performance is good, the bag will break, differentiate and degrade by itself under the combined action of light and microorganisms, and become debris, which is accepted by the natural environment; if If the degradability is not good, it will not be accepted by the environment and cause environmental pollution.
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