Modern food packaging materials use a large number of chemical synthetic substances, which can be divided into two broad categories: known components and unknown components. These substances mainly include: monomers and other synthetic materials of synthetic materials, catalysts, solvents and suspension media, packaging materials additives (including antioxidants, antistatic agents, antifogging agents, plasticizers, heat stabilizers, nucleating agents) As well as dyes and pigments, this article will introduce you to the classification of pharmaceutical packaging materials.
The advantages of packaging materials are reflected in the use of materials, waste, pollution, recycling and reuse, without secondary pollution. Therefore, the selection of environmentally friendly packaging materials should be consistent with the basic principles of pollution-free, non-polluting and recyclable. Pure natural environmental packaging materials, although non-polluting, have high commercial costs and are a waste to the earth's capital. Composite environmentally friendly materials will become the mainstream trend of environmentally friendly packaging materials because of their low cost, no pollution, and easy recycling. .
The packaging material needs to have an efficient bacteriostatic effect to ensure that the sterile machine is not contaminated by external bacteria for a long time: at the same time, the packaging material is required to have permeability to the sterilization factor, and does not affect the sterilization factor to the bacterial microorganism. Kill function.
Packaging materials are one of the necessary conditions for electronic products to fulfill their functions. They not only affect the overall function of the product packaging, but also the quality problems of the electronic products during transportation and storage. In addition to ensuring that electronic products are not harmed by the outside world, the selection of packaging materials should also be oriented towards conservation and environmental protection.
The management of food packaging materials in the United States is primarily regulated by the federal regulations CFR. Part 21 of the CFR of the United States regulates the management of food and medicine, and Sections 170-186 regulate the management requirements for food packaging materials.
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