2019-09-23 480
1、 Overview: Film remover st-522# is a kind of high-efficiency film remover specially prepared for the stripping of printed circuit board circuit ink / dry film. It contains a variety of ultra-high e
2019-09-23 538
1、 Overview Tin stripping solutionST-511#It is a single liquid nitric acid specially prepared for stripping tin and lead tin electroplating layers of printed circuit boardsIt can quickly peel the tin
2019-09-23 504
1、 Introduction SEC-160#It is a new type of single liquid acid etching solution, which has the characteristics of simple control, low hydrochloric acid content, fast etching rate and high copper diss
2019-09-23 468
one、 Overview Fast alkaline etchant sec-onetwenty-nine# is a copper ammonia etchant, which has the advantages of simple control, stable operation, high copper dissolution, small side corrosion, fast
2019-09-23 539
1、 Overview Developer s-655# is a kind of developer specially used for high-quality solder proof ink / line dry filmThe main components are high-purity potassium carbonate, fiber dissolving agent, wa
2019-09-23 520
1、 Overview 1. The effect of soldering aid is good, and the wettability of tin alloy layer is good. 2. The lead and tin on the surface of the printed board are uniform, smooth and bright, and have g
2019-09-23 562
1、 Nature It is suitable for acidic copper chloride etching solution to replace hydrogen peroxide to regenerate the etching solution. The chemical reaction is mild and the risk is low. The etching r