Spartan Polishing Bobs incorporate built-in abrasives such as aluminum oxide, silicon carbide, or diamond to make light deburring, pre and final polishing faster, cleaner and more efficient. These compound impregnated felt bobs provide shorter polishing time than plain felt bobs and a cleaner process. Abrasive size, concentration and bulk hardness are strictly controlled resulting in consistent product from lot-to-lot.
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