Techniques for Refinishing Worn Platinum Jewelry

The ring is made of 90% platinum and 10% iridium. This combination is one the softest platinum alloys. Thicker dimensions are recommended for similar rings that will be worn daily.

The shank is thin and appears to have a pitted and cracked solder joint

New platinum tips were soldered onto the prongs. The yellowish color of the white gold solder used is the telltale sign.

Micro-Finishing film is available in sheets, strips, and other shapes. Here it has been attached to standing sticks and labeled for progressive abrasive use.

Micro-Finishing film is ideal for abrasive work on platinum because it can be used wet or dry, it has plain or adhesive backing, and it can be custom fitted and adhered to a variety of tools and shapes for a wide range of applications

Micro-Finishing film is available in a range of grits, from a coarse 180 grit to a very fine 1200 grit

Each compartment in the tray contains attachments that are for specific compounds. Consistent use, as well as cleaning of processed products between steps, eliminates potential for cross-contamination, while improving the platinum’s finish and luster.

These Japanese platinum compounds are evenly blended and adhere well to buffs, brushes, and felt attachments

The same compounds, with larger wheels and attachments, are used at the polishing machine for platinum. Start with the coarsest 800 grit, followed by 1500, 4000, 6000 and finish with the finest 8000 grit.