Paper, as the most traditional packaging material, plays a very important role in food packaging. In developed countries, paper packaging materials account for 40% to 50% of the total packaging materials. The health indicators, physical and chemical indicators and microbial indicators of food packaging base paper have relevant regulations. This article will introduce you to food packaging materials.
There are many kinds of packaging materials, and we usually have plastic, paper, glass, bamboo and so on. For these packaging materials, we usually need to carry out an inspection to see if it meets the national packaging requirements.
When selecting packaging materials, we also need to consider whether the material is aesthetically pleasing after packaging the article and whether it can further reflect the grade of the article.
There are many types of packaging materials, and our choice of packaging materials will be very different for different items. At present, the market requirements for packaging materials are also strict. Already far beyond the basic requirements of moisture-proof packaging, shock-proof cushioning capacity, etc., people nowadays have also proposed the exquisiteness, safety and hygiene of packaging.
Since entering the new century, the country has always advocated green development and environmental protection development, and is willing to build a beautiful China with the power of the whole country. Food packaging materials are also closely following the development policy guidelines, increasing efforts to develop degradable packaging materials, and environmentally friendly packaging can be recycled for comprehensive utilization, improve environmental benefits, enhance social benefits, and obtain considerable economic benefits.
Glass is a melt of silicate, metal oxide, etc., and is an inert material that is non-toxic and harmless. However, melamine-poor glass products may have problems with the dissolution of toxic substances from glass raw materials. Therefore, the glass products should be treated with water soaking or heat treatment with dilute acid. Food and medicine with strict requirements for packaging can be changed to soda-lime glass for borosilicate glass. At the same time, attention should be paid to the quality of glass smelting and molding to ensure the safety of the packaged food.
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