Introduction to the printing process of aluminum cosmetic hose

by:Lisson     2021-03-09
Introduction to the printing process of aluminum cosmetic hose
Among the metal material hoses, the aluminum tube has the characteristics of high strength, beautiful appearance, light weight, non-toxic and odorless. The metal hose printing is curved surface printing, and the printing plate is copper plate and photosensitive resin plate, using letterpress offset printing technology. The metal hose mainly refers to the aluminum tube. After hot stamping and annealing, the aluminum billet begins to enter the printing process. Metal hose characteristics The paste has a certain viscosity, adhesion and deformability. It is more convenient to use metal hoses, which are not only convenient for extrusion but also completely sealed, and can isolate external light sources, such as air, moisture, and good fragrance. The metal hose material is easy to process, high in efficiency, fast and accurate in product packaging, and low in cost, which is very popular among consumers. According to the material of the hose, the metal hoses currently used are divided into three types. Tin hoses. Tin hoses are very expensive and rarely used, except for some special medicines, which are required due to the nature of the product. .Lead hose lead is toxic and harmful to the human body. It is currently used less frequently and only used for fluorine-containing products. .Aluminum hose has high strength, beautiful appearance, light weight, non-toxic, tasteless and low price. It is widely used in the packaging of cosmetics, high-end toothpaste, medicine, food, household goods, paints, etc. The method of aluminum metal hose processing and production of aluminum tubes is to stamp the aluminum plate into a cylindrical hose body, and then process the head and tail teeth before printing. The whole process from pipe flushing, inner coating, primer coating to printing and capping is completed on an automated pipeline production line. The printing process of aluminum metal hoses. Different from cosmetic PE hoses and aluminum plastic hoses on the bottom oil, the printing of aluminum tubes first needs a primer. When printing the background color, use a white primer. The coating is thicker and the surface is smooth. . In order to achieve special effects, the base can be changed to different colors, such as pink and light blue. .For drying the background color, the primer must be sent to a high temperature oven for baking. The hose will not turn yellow after drying. It is best to have a little viscosity on the surface. .Printing patterns and text hose graphics are generally used in the field, and multi-color overprinting does not overlap. The plastic tube rotates at a time to complete the printing of multiple hoses. The rotating plate with the hose sleeved on the mandrel does not rotate by itself, and friction rotates after contact with the rubber cylinder. .Printing drying The printing hose must be dried in an oven, and the drying temperature and time should be selected according to the oxidation resistance of the ink.
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