Ads
related to: alternatives to chrome plating- Electrolizing®
The original thin dense chrome
since 1945.
- Mirco-E®
A thin deposit that eliminates
dimensional changes.
- Electrolizing®
Search results
Results from the WOW.Com Content Network
Trivalent chromium plating, also known as tri-chrome, Cr 3+, and chrome(III) plating, uses chromium sulfate or chromium chloride as the main ingredient. Trivalent chromium plating is an alternative to hexavalent chromium in certain applications and thicknesses (e.g. decorative plating). [3]
Recent revisions of ASTM B633 defer to ASTM F1941 for zinc plating mechanical fasteners, like bolts, nuts, etc. 2019 is the current revision for ASTM B633 (superseded the revision from 2015), which raised required tensile thresholds when confronting hydrogen embrittlement issues and addressed embrittlement concerns in a new appendix.
Black nickel plating was developed around 1905, and between the two wars, black chrome plating (first German patent 1929.GP 607, 420), which saw wider use only from the mid-1950s. [14] After the First World War, the first procedures for anodic oxidation and coloring of anodically oxidized aluminium were developed (1923, 1924.DRP. 413876).
California regulators want to ban a toxic chrome-plating chemical that gives a signature metallic shine to auto parts and other products.
It helps that the use of chrome on modern cars is already much reduced from its glaring peaks. Chrome first started appearing on cars in the 1920s as a shinier and easier to maintain alternative ...
School bus painted in Chrome yellow [7] Approximately 136,000 tonnes (150,000 tons) of hexavalent chromium , mainly sodium dichromate, were produced in 1985. [ 8 ] Chromates and dichromates are used in chrome plating to protect metals from corrosion and to improve paint adhesion.
Ads
related to: alternatives to chrome plating