Din 50938 Pdf. Principles and methods of test from sai global. My customer requires black oxide coating as per din 50938 [affil.
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Usually a combination of layers are My customer requires black oxide coating as per din 50938 [affil. Link to spec at techstreet] but as per din 50938.
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May 5, 2020 by admin. Page 4 din 509 : We guarantee diin proper coating of your aluminium products in our workshops: Therefore replacement substances must be found for chrome vi.