ISO 6344-2:2021
Coated abrasives — Determination and designation of grain size distribution — Part 2: Macrogrit sizes P12 to P220
This document specifies a method for determining and testing the grain size distribution of electro-fused aluminium oxide and silicon carbide macrogrit sizes P12 to P220 for coated abrasive products.
It is applicable to grits used in the manufacture of coated abrasive products and to grits extracted from coated abrasive products for test purposes.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Grain size distribution of macrogrit sizes P12 to P220
5 Test method of macrogrit sizes P12 to P220
5.1 Macro-P-Mastergrits
5.2 Apparatus
5.3 Checking of the common use utility test sieves
5.4 Preparation
5.4.1 Preparation of the test portion
5.4.2 Mounting of test sieves
5.4.3 Determination of the Macro-P-Mastergrit values for the utility test sieving
5.5 Procedure
5.6 Evaluation
6 Test report
7 Designation
8 Marking
Annex A (informative) Template for recording results of sieving analysis of macrogrit P sizes
Annex B (informative) Examples of recording results of sieving analysis of macrogrit P sizes
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Grain size distribution of macrogrit sizes P12 to P220
5 Test method of macrogrit sizes P12 to P220
5.1 Macro-P-Mastergrits
5.2 Apparatus
5.3 Checking of the common use utility test sieves
5.4 Preparation
5.4.1 Preparation of the test portion
5.4.2 Mounting of test sieves
5.4.3 Determination of the Macro-P-Mastergrit values for the utility test sieving
5.5 Procedure
5.6 Evaluation
6 Test report
7 Designation
8 Marking
Annex A (informative) Template for recording results of sieving analysis of macrogrit P sizes
Annex B (informative) Examples of recording results of sieving analysis of macrogrit P sizes