The role and superiority of ink on the surface of tinplate cans_can
The surface of the tinplate can, regardless of whether it is printed or not, will be oiled once. Many people think that tinplate without printing is not treated with ink. In fact, it is not. It is just a transparent varnish. The color and gloss of the tinplate material itself will still be present, so the effect of the ink is not so obvious. The ink on the surface of the tinplate can differs depending on the contents of the tin box. The ink used in the tin box for food must reach the food grade, while the tinplate for medicine has stricter requirements on the ink. The tinplate can manufacturer said that the reason why a layer of ink is applied to the surface of the tinplate can has the following functions: , to isolate the tinplate itself from contact with the air, and prevent oxidation and rusting of the tinplate. , increase the water resistance of the tinplate can to prevent the moisture in the air from penetrating into the tin box. , increase the metallic luster and smoothness of tinplate cans. What are the advantages of tinplate packaging? With the improvement of people's aesthetic ability, metal packaging with texture and beauty has been loved by more people, and more product manufacturers will also be willing to choose this higher-grade packaging method. , good mechanical properties compared to other packaging containers, such as plastic, glass, paper containers, etc., tinplate cans have greater strength, good rigidity, and are not easy to break. Not only can it be used for small sales packaging, but also the main container for large transport packaging. , mature technology and high production efficiency tinplate cans have a long production history, mature technology has a complete set of production equipment, high production efficiency, can meet the packaging needs of various products. , Various shapes tinplate cans can be made into various shapes according to different needs, such as square cans, oval cans, round cans, horseshoes, trapezoids, etc., which not only meets the packaging needs of different products, but also makes packaging containers more varied and promotes sales . , exquisite decoration metal material printing performance is good; the pattern trademark is bright and beautiful, the packaging container produced is eye-catching, and it is an excellent sales package. , excellent barrier properties tinplate cans have better barrier properties than any other material, gas barrier properties, moisture resistance, light-shielding properties, fragrance retention are all good, coupled with reliable sealing, can reliably protect the product. , recyclable and reusable, meets international environmental protection requirements and conforms to future product trends.