Anodizing Types II vs. III: A Practical Guide to Hardness and Color Selection
To the uninitiated, “Black Anodize” sounds like a purely cosmetic specification. Our previous project manager, aiming to save the client costs and reduce lead time, had routed the job for standard MIL-A-8625 Type II sulfuric acid anodizing. The parts looked pristine—a deep, jet-black finish that was smooth to the touch and aesthetically perfect. However, the […]
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