Trouble-free, economical electroless nickel plating: How to properly set up a mid-size, RoHS-compliant EN line without breaking the bank.Over the last 35 years, Ronatec has supplied electroless nickel (EN) to th
More resistant chromium-nickel grades can be passivated in a 20% by vol. nitric acid bath (Fig. 2). As indicated in the same table, less resistant stainless grades can be passivated by adding sodium dichromate to the nitric acid bath to make the solution more oxidizing and capable of formi...
After making sure parts are machined to spec, here's how to take steps to protect those stainless steel parts through passivation.
molten material, the gold separates from the metal used to make the terminals. Workers pour off the flux and then the gold. Molds are used to transform the liquid gold into solid bars calleddoré bars. These low-purity bars are then sent to refineries all over the world for further ...
properly. White gold is an alloy made of pure gold and other metals like silver, palladium or nickel, coated in a rhodium plating to create its signature sheen (and to minimize yellow tints). However, its plating can erode over time, which can take away your ring's bright, lustrous ...
A. The question is, to make bright brass look like oil-rubbed? The answer is too easy. Strip the lacquer finish with any good stripper, wash with soap and water, wipe with denatured alcohol (no fingerprints). Then the easy part, wipe with gun blue until you get the darkness you want...
Zinc and zinc alloy plating is a very energy-intensive production process. Rectifiers as well as heating and cooling of the various baths from cleaning to plating and post-treatment contribute to significant power consumption throughout the plating proce
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Q. I have a house built in 1963 and all of the kitchen cabinets and drawers have hammered copper pulls that are no longer bright and shiny. I would love for them to be black, but I don't want to just spray paint them a flat black. Is there anything I can do to make them ...
This extends the life of the bright gold plating. Step 5: Rinse Again The piece is rinsed thoroughly with water to remove any cleaning agents. Step 6: Base Coat If a base coat below gold is used, it is usually nickel.There can be many layers of plating done on one particular piece. ...