These closed-cell foam rubber sanding pads are great for working with platinum, and flexible enough to conform to almost any contour or surface.
Can be folded or trimmed to fit into small spaces. Can be used wet or dry.
Micron-graded aluminum oxide abrasives make them safe for a variety of applications.
3M Sanding Sponges
Sizes: 4 1/2" x 5 1/2"