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Molecular formula:NHthree·Htw oOMolecular w eight:threefive.0fivenature Quality:氨水是氨氣的水溶液,無色透明且具有刺激nature氣味。由氨氣通入水中制得。氨氣有毒,對眼、鼻、皮膚有刺激nature和腐蝕nature,能使人窒息,空氣中最高容許濃度three0mg/m^three。main要use作化肥。試劑氨
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IProduct overviewIn the development production of circuit board, the residue of dry film or green paint is easy to accumulate on the roller and groove wall with the passage of time. In subsequent prod
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one、 Overview:High efficiency film fading solutionST-fivetwotwo#It is a kind of printing ink for printed circuit board/It contains a variety of high-energy fiber dissolving agents and cosolvent, which
2022-03-02 296
1、 OverviewAnti welding ink stripping liquidST-51three#It is a single liquid stripping agent specially prepared for stripping unqualified anti welding ink of printed circuit board. It can quickly peel
2022-03-02 291
1、 OverviewAt present, carbonate developer is widely used in the development process of dry film and green paint. Because the carbonate contained in the developer combines with calcium and magnesium i
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Horizontal Brown Oxide ProcessMicro etching horizontal browning processProcess sequenceCleaner (alkaline cleaning)Rinse * 3 (water washing)Acid rinseRinse * 2 (DI water washing)Pre dipBrown oxideRins