1. Oil on the surfaceAfter the metal workpiece is processed, transported, and inventory, the surface is stained with different processing oil or rust -proof oil, etc., and it must be completely cleaned. Not good, the paint film is soaked in the etching solution to bubble or break, causing the surfac

After etching, the product is the original color of the metal, and many require subsequent surface coloring treatment: surface color whitening treatment; surface mirror bright treatment; surface coloring treatment. 1. Surface whitening treatment: During the processing of precision etched products,

The hot stamping process is widely used in packaging materials. Because it does not use ink, it is environmentally friendly and clean. It is also suitable for plastic, glass, paper and other materials. The hot stamping process is used on the surface of plastic bottles, glass bottles, cartons and oth

Corrosion operation(1) Ink printing or spraying, the specific steps are as follows.①Pre-treatment of the base versiona. Use chemical or physical means to remove pollution on the substrate: such as cleaning powder, cleaning powder, etc.b. Roughen the surface of the base plate: Use an object with appr

The hot stamping process uses the principle of hot press transfer to transfer the aluminum layer in the anodized aluminum to the surface of the substrate to form a special metal effect. Because the main material used for hot stamping is anodized aluminum foil