3M Sponge Sanding Pad, 600 Grit
Item Number: 337320
Great for working with all metals, including platinum, sponge sanding pads from 3M are flexible enough to conform to almost any contour or surface. Use pads wet or dry for a wide variety of metal, model-makingand lapidary applications. Made of long-lasting, closed-cell foam rubber bonded with aluminum oxide abrasives. Convenient, hand-sized pads can be folded or trimmed to fit into detailed areas. .Ultra-fine grade.
600 grit (15 micron)
4-1/2"W x 5-1/2"D
Country of origin:
2013 Tools and Equipment Catalog p.344
Grit to Micron Comparison Chart
There are many ways to measure the individual particles that are embedded in abrasives. And because manufacturers differ slightly in their measuring systems, and particle shapes vary so much, it's nearly impossible to offer a standard comparison between grit sizes and micron sizes.
There are, however, some good estimations that will help you determine which abrasive to use. NOTE: This chart is an approximation and is for comparison only; measurements will vary from one manufacturer to another.
30 microns = approx. 400-grit
15 microns = approx. 600-grit
9 microns = approx. 1200-grit
3 microns = approx. 4000-grit
2 microns = approx. 6000-grit
1 microns = approx. 8000-grit