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PS 1742-1-2025
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Coating powders - Part 1: Determination of particle size distribution by sieving
Committee:
Paints and Varnishes
Sector:
Chemicals and Petroleum
Available Standards
Original Standard
إنجليزي (English)
15
Page
2025
International Classification for Standards (ICS)
| Code | Classification |
|---|---|
| 87.040 | Paints and varnishes |
Adopted Standards
| Standards / Amendment / Corrigendum | |
|---|---|
| 1 | ISO 8130-1:2019 |
Replacement Sequence
| Replaces |
|---|
| PS 1742-1-2010 |
Scope
This document specifies a method for the determination of the particle size distribution of coating powders by sieve analysis. Particle size distributions with a maximum of less than 100 µm is determined by laser diffraction, ISO 8130-13. This method is used especially for determining the oversize material or for the presence of contamination and can be used as a quality control procedure (“go”/“no go” test) by checking the amount retained on a single sieve.
The following particle sizes are typical for coating powders, however the particle size can deviate depending on the application:
— thin-film technology: 1 µm to 63 µm;
— electrostatic coating: 10 µm to 200 µm;
— fluidizing-bed method: 100 µm and above.
NOTE Sieves with a mesh size smaller than 32 µm are not practical and are likely to become blind during use.