Analyzing the pollutant's ingredients and its physicochemical characteristic in coating wastewater from print, the paper puts forward its treatments.
分析了涂料直接印花废水污染物成分和理化性质，提出了该废水的治理措施。
2
Screen Print: Solder mask coating will cover completely the panel holes, pads and traces, on both sides.
网印：在板两面完全涂覆阻焊油墨，包括导通孔、焊盘。
3
The relationship between the coating structure of the coated paper and the ink setting rate and the effect of the coating structure on the print smoothness and the gloss are introduced.