What is screen printing ink?
With the rapid development in recent years the screen printing technology, but also led to the screen printing ink technology has improved, including screen printing ink with different functions and applications, the lively scene of the screen printing ink products All flowers bloom together.. Ink manufacturers have many pay their attention to the screen printing ink market, has formed the competitive atmosphere, the competition will have progress, now more mature ink manufacturers began to develop a variety of special screen printing ink to meet the printing requirements of the new era.
Different types of ink used by their manufacturers to provide matching diluent, mainly because of various diluents on various resin types of ink has a different solvent, in order to avoid adverse printing effect.
According to the type of ink can be divided into many types, but different ink manufacturers use resin different, can be divided into epoxy resin, polyurethane, polyester, vinyl, acrylic, rubber etc.. Only when the substrate is made of different materials can the different resin types of ink be used in order to avoid the adverse consequences of ink failure. Not clear material substrate, it is best to use the printing test to determine the choice of ink.
The composition and type of screen printing inkScreen printing ink and other types of ink components are the same, are pigments, resins, solvents, additives mixture of grinding.Steam drying type - Method of adhesion of ink to film by solvent evaporation.Oxidation polymerization - the process of adhesion of ink to film by oxidation.Two liquid reaction type method for making ink film adhesion by two component chemical reaction.UV curable - chemical process that causes l to be adhered to film by ultraviolet radiation.Ink drying method can bring a film of ink after printing different gloss, different tolerance (mechanical resistance, chemical resistance, weather resistance), the use of different drying equipment, produce different costs, so users should be carefully chosen.
