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Easy High E142-1 Dust Test Tape T14223003 Cleanliness Test Tape - Instrument Parts & Accessories - AliExpress
Elcometer USA - "I have evaluated the Elcometer 142 ISO 8502.3 Dust Tape Test Kit. The dust comparator display board & the test record sheets are very practical and designed to assist
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Easy High E142-1 Dust Test Tape T14223003 Cleanliness Test Tape - Instrument Parts & Accessories - AliExpress
![DIN EN ISO 8502-3:2017 - Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 3: Assessment of dust on steel DIN EN ISO 8502-3:2017 - Preparation of steel substrates before application of paints and related products - Tests for the assessment of surface cleanliness - Part 3: Assessment of dust on steel](https://webstore.ansi.org/cover-pages/small/DIN/2659657.jpg)