Pure Platinum the most popular Platinum bars available today on the precious metals market come from Credit Suisse and PAMP Suisse the recovery of Platinum group metals from waste material. We recovery of Platinum group metals from waste material. We manufacture to a purity of  99.99% PPMRCC  pure elements is 99.99% that handles the recovery of Platinum group metals from waste material. We manufacture to a purity of  99.99%.
 
When polishing platinum, it is important to remove all scratches before the polishing process
When filing, file gently with a diagonal movement. Then repeat with a diagonal movement perpendicular to the first one.
Remove file marks with abrasive paper such as 400, 600 and finer paper
Be sure to use the files and abrasive paper on platinum to avoid contamination
Reduce the surface to at least a 600 grid finish on the bench
Burnish the ring with a polished Tungsten burnisher
Use platinum polishing compound only for luster
Use 2000, 4000 and 8000 grid polishing compounds
When polishing platinum that is joined to gold, be sure the platinum is polished completely before polishing the gold
Check with tool suppliers for brand recommendations