Scratch-resistant white-silver chromium plated steel platedoi:US3505040 AUchida, HiromuYanabu, OsamuKido, Keiichi
2.5mm 3mm H59 H62 Brass Copper Plated Cross Recessed Phillips Countersunk CSK Head Wood Tapping Screw DIN7997 $0.01 - $0.02 Min. order: 10 pieces Phillips Torx Pan Flat Cap Truss Hex Socket Hexagon Head Wood Self Tek Roofing Drilling Type 17 Tapping Screw With EPDM Washer ...
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The zinc-plated trivalent chromium blue-white passivator can obviously enhance the corrosion resistance of the plating, and endows the plating with bright and blue-white color.石磊石璐丹曾琳刘科高李大勇李静
5). Electroplating with multiple coatings of nickel and chromium to ensure a bright and bright surface, and the corrosion resistance reaches level 9, exceeding the requirements of level 8 of the national standard; 6). All the product parts will ...
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5). Electroplating with multiple coatings of nickel and chromium to ensure a bright and bright surface, and the corrosion resistance reaches level 9, exceeding the requirements of level 8 of the national standard;6). All the product parts will be done...
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effects of tarnish. One such example is plumbing fixtures. However, the needs and desire to plate a copper alloy also prevents the copper alloy from providing its antimicrobial effect, due to the surface of the consumer good being of the plated material rather than the underlying copper alloy....
The invention provides a trivalent-chromium blue-white passivator for a zinc-plated permanent magnetic material and a passivation method thereof. The trivalent-chromium blue-white passivator contains a main film-forming agent, an auxiliary film-forming agent, a stabilizer, an oxidant and a ...