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  1. TTMT

    SurTec 495 application

    Dear All, Does anyone have experience using SurTec 495? What is the best mixing ratio between SurTec 495 and sulphuric acid? Or should I only use sulphuric acid to adjust the pH? I use this chemical at a laboratory level in small quantities.
  2. TTMT

    Deoxidine

    Hello, Can anyone tell me the difference between Deoxidine 605 and 624? I cannot find a TDS of 605 on the web. I intend to use one of them for pre-treamtent prior to Alodine 1200 application. These are Henkel products. Many thanks, FK.
  3. TTMT

    ammonium hydrosulfide

    Dear All, I am searching for a manufacturer/vendor (in Europe if possible) from where I can order ammonium hydrosulfide for inorganic black dyeing (ECSS-Q-ST-70-03C) of Aluminium, in laboratory conditions (not industrial, just some pieces of Al would be tried out). Please help!
  4. TTMT

    Touch up work on anodizing

    Dear all, We have a little hardware that has some scratches, and we would like to do some touch-up work on it. The hardware has a MIL-A-8625F TYPE III Class A hard coat. What is your suggestion? Many thanks!

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