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  1. yyulius77

    Japanese black lacquer

    Thanks for your feedback guys. By the way this internal lining is normally known as "Japanese Black Lacquer". Yes, they prevent corrosion, but my understanding it is a usual practice to remove by abrasive cleaning prior to use. Pickling removes metal rust, etc., but it doesn't remove this...
  2. yyulius77

    Flange Isolation Kit

    Duwe6, Can you please explain why not? People here seem to believe when a CS flange meets SS, we need an insulation kit there due to dissimilar metals, hence galvanic corrosion. Cheers, YY
  3. yyulius77

    Japanese black lacquer

    Hi All, We're working on a project where there is a diesel line feeding into gas turbines, carbon steel A106B piping system. The diesel vendor supplied us with pipe & fittings with black internal coating, which people call Japanese Black, or Black Lacquer, or whatever it is. The pipe was...
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