Cardboard, cardboard, cardboard _ corrugated board before printing technology
by：NEW BAMBOO PAPER2020-12-07
05 before printing skills (
1, colored manuscript through electronic color separation processing into monochrome films (
Yin figure film)
2, back exposure: on the opposite side of the plate with uv light exposure, constitute the base plate bottom;
3, the main exposure: read version of positive film materials, put Yin pictures, vacuum membrane cover, vacuum pump, main using uv exposure, transferred to the plate on the contents of Yin pictures;
4, washing version: version in the washing machine partly potion to wash, wash plate on the exposure of the resin, concave and convex print.
5, drying: 6, to stick: ultraviolet light shining;
7, after exposure: hardness adjustment.