5 Pound 0-1/2 Grade Rough Pumice
0-1/2 Pumice is a rougher grade pumice for cleaning up rougher surfaces and preparing them for a final polish. It will have a higher rate of material removal than the finer grades of pumice but will also leave a rougher surface on the glass. Available in 1 pound, 5 pound, and 50 pound sizes.
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- pH neutral abrasive for non-reactive grinding
- hard enough to abrade your glass but soft enough to leave fine surface