ASHRAE Test Dust #2 Per ANSI/ASHRAE 52.2P

ASHRAE 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.

Notes:
1. Cotton Linters are Second Cut Cotton Linters milled in a Wiley Mill fitted with a 4 mm screen.
2. ASHRAE Test Dust #2 is available in one gallon jars containing 1.5kg net weight of material.

93.5% ISO 12103-1, A2 Fine Test Dust
Chemical Ingredient	CAS Number	% of Weight
Si02	14808-60-7	68 – 76
Al203	1344-28-1	10 – 15
Fe203	1309-37-1	2 – 5
Na20	1313-59-3	2 – 4
CaO	1305-78-8	2 – 5
MgO	1309-48-4	1 – 2
TiO2	13463-67-7	0.5 – 1.0
K20	12136-45-7	2 – 5

6.5% Milled Cotton Linters
Name	CAS Number	% of Weight
Second-Cut Cotton Linters	9004-34-6	100.0