BS ISO 6344-3:2021

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Coated abrasives. Determination and designation of grain size distribution – Microgrit sizes P240 to P5000

Published By	Publication Date	Number of Pages
BSI	2021	34

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Categories: 25.100.70 - Abrasives, BSI

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Description

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PDF Pages	PDF Title
2	National foreword
7	Foreword
9	1 Scope 2 Normative references 3 Terms and definitions 4 Grain size distribution of microgrit sizes P240 to P1200
10	5 Test method of microgrit sizes P240 to P1200 5.1 Materials 5.1.1 Sedimentation medium 5.1.2 Dispersing agent
11	5.1.3 Checking minerals
12	5.2 Apparatus
14	5.3 Preparation 5.3.1 Preparation of the apparatus
15	5.3.2 Preparation of the test portion 5.4 Procedure 5.4.1 Filling of sedimentation tube 5.4.2 Dispersion of the test portion
16	5.4.3 Transfer to sedimentation tube 5.4.4 Start of measurement 5.4.5 Determination of the maximum grain size 5.4.6 Recording measurement values 5.5 Evaluation 5.5.1 General
17	5.5.2 Determination of the grain diameter, d
18	5.5.3 Determination of the volume fraction
19	5.5.4 Representation of the grain size distribution curve
20	5.5.5 Evaluation of the grain size distribution 5.5.6 Example of measuring a test portion of fused aluminium oxide 5.5.7 Permissible deviations
21	6 Grain size distribution of microgrit sizes P1500 to P5000 7 Test method of microgrit sizes P1500 to P5000 7.1 Materials 7.1.1 Micro-P-Mastergrits
22	7.1.2 Dispersing medium 7.2 Apparatus 7.3 Preparation 7.3.1 Preparation of the test portion
23	7.3.2 Calibration of the Apparatus 7.4 Procedure for the determination of the grain size distribution 7.5 Evaluation 7.5.1 Evaluation of the grain size distribution 7.5.2 Permissible deviations
24	8 Test report 9 Designation 10 Marking
26	Annex A (informative) Theoretical equivalent grain diameters, d, for grits of fused aluminium oxide and for grits of silicon carbide
29	Annex B (informative) Template for recording results of a sedimentation analysis of microgrit P sizes using the US sedimentometer
31	Annex C (informative) Example of recording results of a sedimentation analysis of microgrit P sizes using the US sedimentometer

Additional information

Status	Definitive
Pages	34
Publication Date	2021-12-21
ISBN	978 0 539 06032 4
Standard Number	BS ISO 6344-3:2021
Title	Coated abrasives. Determination and designation of grain size distribution – Microgrit sizes P240 to P5000
Identical National Standard Of	ISO 6344-3
Replaces	BS ISO 6344-3:2013, BS ISO 6344-1:1998
Descriptors	Silicon inorganic compounds, Screening (sizing), Reports, Grit, Specimen preparation, Abrasives, Designations, Sedimentation techniques, Particle size distribution, Abrasive powders, Test equipment, Testing conditions, Aluminium oxide, Coated materials, Forms (paper), Dimensions, Particle size measurement, Carbides
Publisher	BSI
Committee	MTE/13
ICS Codes	25.100.70 - Abrasives

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BS ISO 6344-3:2021

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