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.25 Lb.(4 oz.) 220 Grit - Course Aluminium Oxide Rotary Vibratory Rock Tumbler Tumbling Polishing Powder Abrasive Grit
- Brown Fused Aluminum Oxide is a brown aluminum oxide obtained by a reduction fusion of high-quality bauxites in electric arc furnaces.
- Very Tough: Hardness Rating of 9 on the Mohs scale
- It is therefore perfect as a rock tumbling media.
- Can be used in Vibratory or Rotary Tumbler equipment.
- All tumbling medias are new, not reclaimed.
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