Main features of gravure and flexo
The main features of the gravure ink layer is thick, ink saturation, production speed, and the ink system of an ink short circuit (Figure 1).
Flexo printing belongs to letterpress printing, which combines the function of gravure printing plate into anilox roller to control the transfer of ink volume while taking into account the transfer of large amount of ink. The flexographic plate is responsible for the output of the plate pattern (as shown in Figure 2). ).
Comparison of curing methods of solvent-based gravure inks and UV flexo inks
The solvent-based gravure ink is dried by evaporation (evaporation), absorption, and partial crosslinking, as shown in FIG. UV flexo inks are cured by UV energy, and no ink components evaporate, ie 100% cure on the surface of the substrate. The low molecular weight viscosity-regulating monomer in the UV flexo ink formulation contains an unsaturated double bond and participates in the curing reaction, so it is also referred to as "reactive diluent", as shown in FIG.
Comparison of characteristics of solvent-based gravure ink and UV flexo ink
From Table 1, Table 2 and Table 3 we can see the characteristics of solvent-based gravure inks and UV flexo inks.
AUTRENDS INTERNATIONAL LIMITED , https://www.petspetscare.com