UV Ink imitating metal etching process introduced screen printing decoration imi
UV imitation metal etching Print , Also known as scrub or sand surface printing, are in a shiny metallic mirror substrates (such as gold, silver cardboard) printed on the layer of rugged translucent ink and after ultraviolet (UV) curing, can produce similar to the bright metal surface is etched or frosted effect.
Imitation metal etching ink products have a significant etching effect, the ink film full, three-dimensional feeling, Er Shi fully shown by high grade trends of packaging products, has been , wine labels, cosmetics, health products such as color printing industry wide to use. Also be used for greeting cards, calendars, brand, logo, Advertisement For the use. Also be used for greeting cards, calendars, brand, logo, advertising, painting and other art of printing; UV Screen Printing Ink imitating eclipse remember suede and matte can produce results, can print gentle, dignified, elegant, luxurious, up generally difficult to achieve the effect of ink, for which it has been the promotion and application quickly.
1, UV curing ink This ink ink silk short and thick, which Additive Particle diameter of about 15 ~ 30 m. After printing, because ink film surface rough, the light, the reflection is diffuse, the membrane surface gloss dark. Non-metallic luster membrane surface where, in the light, the reflection is a positive reflection, gloss strong, so there is a place dark sunken membrane, membrane surface where no light bumps, two diametrically opposed effects. In order to reflect the natural luster of substrates, ink should be transparent type, hiding Nightmare ink is not used. Metal Etching UV Ink imitating the photosensitive resin is usually mixed into a light-colored variety of materials such as transparent paste; also be made into pigment ink color etching. The components are as follows.
UV etching ink: main agent (silicone 15 ~ 30 m); connection material (light-cured resin or prepolymer, crosslinking agent, photosensitizer, polymerization inhibitor).
2, UV Screen Printing Ink imitating elements of metal etching
1. Plate quality control operation (1) wire mesh and Sensitive adhesive Thickness
Etching ink a certain roughness, if you choose the high wire mesh, as mesh is small, easy by printing ink or by little, make passing reference uneven gray phenomena occur, resulting in poor etching effect. If the wire mesh used is too low, because the mesh is too large, too much ink through the volume, resulting paste version, also affected the printing effect.
Scrub coarse grain: 100 ~ 180 mesh screen; Photographic film thickness of 10 m the following.
Scrub in the pattern (or Ice in flower): 150 ~ 250 mesh screen; photosensitive film thickness of 12 ~ 14 m.
Scrub fine (or the Ice Flower): 200 ~ 300 mesh screen; Photographic film thickness of 14 ~ 16 m.
(2) the imitation of metal etching ink has a certain roughness, the printing of the most use of aluminum Network box And screen printing machine printing, silk screen distortion Ershi pattern overlay to prevent difficulties.
(3) Stretching operations ramp stretch used in the stretching-type to minimize the jagged, increase the precision plate.
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