How many color names are there in the printing ink?
There are 4 main types: black, red, blue and yellow, that is four-color printing. With this four colors can be allocated tens of thousands of colors, printing industry called spot color". "Spot color" modulation, that is to use the balance to weigh the weight of each color, nor is it 100 percent, can be transferred to the same color as last time.
The manufacturing process can be divided into pre mixing dispersing and grinding fine dispersed in two stages. The former will be ok with pigments and binders to stir into a paste in the container; the latter in the mixing slurry still further grinding fine dispersion, overcomes pigment cohesion with larger mechanical pressure and shear, eventually become the suspended colloidal ink.
The classification of ink. Modern ink is divided into four major types:1. For a class of letterpress printing ink ink printing books, newspapers, pictures, documents, books and so on. Relief printing is the main feature of the layout of printing ink part protruding from the non inking part. By use of flexographic printing machine types and printing products and letterpress printing ink, printing ink, letterpress printing ink, flexible printing ink.The lithographic printing ink. Suitable for a lithographic printing ink. Lithographic printing plate of each part is basically in a plane pattern is lipophilic, pattern is hydrophilic, water repellent by printing principle, the lithographic ink must have water resistance. According to the process for offset printing ink, paper roll offset printing ink, offset ink, waterless offset ink, printing ink, printing ink, printing ink. Lisa?3. A class of gravure ink ink for gravure printing. Pattern printing on the layout of the concave part of the ink, the ink pattern part of the non brush to scrape or, then printing. Intaglio ink and gravure inks.The screen printing ink. A kind of ink through the mesh screen printing plate to substrate surface. Screen printing ink is divided into Stencil Ink and screen printing ink.
