ANSI Specifications
1) The grading of abrasive grain for coated abrasives is covered in ANSI B74.18-1996 and the grading of diamond powder is covered in ANSI B74.20-1997. Grading of diamond abrasive grain is covered in ANSI B74.16-1995. 2) Source of Rotap testing sieve shaking machines and availability of UAMA Standard Sands can be ob-
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