The sanitary safety problem of ceramic printing materials used in food packaging mainly refers to the dissolution of heavy metal element lead or cadmium in the glaze layer of glazed ceramics, which is harmful to human health. When these containers are used to hold acidic foods (vinegar, juice) and wine, these substances are easily dissolved and migrated into foods, and even cause poisoning. This article will introduce you to the environmental performance of printed materials.
An antimicrobial printed material that has the function of reducing and inhibiting microorganisms in the food package such that it can stop growing or inactivating. We generally classify such printed materials into movable, regenerated, adsorbed, and immovable. At the same time, it will not have any impact on the quality of the food.
The surface of the printing material is treated with an antistatic agent or subjected to a deep composite treatment to reduce the electrical resistance of the original material and improve the electrical conductivity, thereby achieving the purpose of eliminating static electricity. In general, the antistatic agent has a simple process, low cost, convenient production, and no special requirements on equipment, and thus occupies a certain position in actual production. This is the mainstream of the current popular, and is also the development direction of anti-static bags in the future.
The impact of plastic packaging printing materials on food safety mainly includes the resin itself, additives, etc., mainly manifested by the migration and dissolution of toxic and harmful chemical pollutants remaining inside the material, resulting in food contamination. The ink printed on plastic food packaging bags is due to benzene. Some toxic substances are not volatile and have a greater impact on food safety.
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