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8Ball Grinderstandard Abrasive Powder For Abrasion Consultant

8Ball Grinderstandard Abrasive Powder For Abrasion Consultant

They propose using an Improved Ball Cratering Micro Abrasion Method. They use a 4-ball test with the center ball made from Neoprene 12.5 mm dia.. Dry abrasive is retained in the system and each test yields essentially 3 ball crater scars 2.75 to 12.

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8Ball Grinderstandard Abrasive Powder For Abrasion Consultant