ISO 15957:2015 defines the properties of load test dusts used for heating, ventilation, and air conditioning (HVAC) air filters as well as air cleaning equipment in laboratories. Test dusts used for evaluation of efficiency performance are not included.
PUBLISHED
ISO 15957:2015
PROJECT
ISO/FDIS 15957
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Nov 14, 2025
Test dusts for evaluating air cleaning equipment (ISO/DIS 15957:2024)
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
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