ASHRAE 52.2P Test Dust
ASHRAE 52.2P Test Dust #2 is formulated to specifications shown per ANSI/ASHRAE Standard 52.2P. This product is designed for testing filters and components of heating, refrigeration and air conditioning systems. ASHRAE Test Dust #2 has also been used in testing of electronic equipment as well as other industrial and household components. ASHRAE Test Dust #2 is a custom blend of 93.5% ISO 12103-1, A2 Fine Test Dust and 6.5% milled cotton linters.