1. What is the bulk density of the ISO grades of
test dust?
a. ISO Ultrafine – 500 kg/m3
b. ISO Fine – 900 kg/m3
c. ISO Medium – 1025 kg/m3
d. ISO Coarse – 1200 kg/m3
2. What is the Specific Gravity of the test dust
contaminants we sell?
a. The specific gravity is 2.65
3. What is the particle count of the ISO grades of
test dust?
a. Please click on the following link
for Fluid Technologies Inc. for information on particle counting
services: www.fluidtechnologies.com
We receive many questions regarding ISO, SAE and AC Test
Dusts. For answers to most of these questions please read
the “History of Test
Dust” .
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