ASHRAE Test Dust #1 is formulated to specifications shown per ANSI/ASHRAE Standard 52.1 and 52.2. ASHRAE Test Dust #1 is designed for testing filters and components of heating, refrigeration and air conditioning systems. ASHRAE Test Dust #1 has also been used in testing of electronic equipment as well as other

Aramco Test Dust is a custom blend of 90% Arizona Test Dust and 10% milled salt. The Test Dust is formulated to particle size specifications shown per Arabian American Oil Company drawing number AE-036005. Download Aramco Test Dust Spec Salt is milled to nominal 0-5 micron size. Test Dust and Salt