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Chemical reagent ammonia 1606
2022-03-02 472
Molecular formula:NHthree·Htw oOMolecular w eight:threefive.0fivenature Quality:氨水是氨气的水溶液，无色透明且具有刺激nature气味。由氨气通入水中制得。氨气有毒，对眼、鼻、皮肤有刺激nature和腐蚀nature，能使人窒息，空气中最高容许浓度three0mg/m^three。main要use作化肥。试剂氨
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St-536 groove cleaning agent instruction
2022-03-02 510
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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St-522# film fading solution
2022-03-02 493
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
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St-513 green oil
2022-03-02 477
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
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Sr-536 groove cleaning agent
2022-03-02 467
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 browning agent
2022-03-02 480
Horizontal Brown Oxide ProcessMicro etching horizontal browning processProcess sequenceCleaner (alkaline cleaning)Rinse * 3 (water washing)Acid rinseRinse * 2 (DI water washing)Pre dipBrown oxideRins