0-Specified Test Dust Grades Sold in increments of 500 grams Nominal 0-3μm Arizona Test Dust Nominal 0-5μm Arizona Test Dust Nominal 0-10μm Arizona Test Dust Nominal 0-20μm Arizona Test Dust Nominal 0-30μm Arizona Test Dust Nominal 0-40μm Arizona Test Dust Nominal 0-50μm Arizona Test Dust Nominal 0-60μm Arizona Test Dust Nominal 0-70μm Arizona Test Dust 0-Specified Test Dust Fractions shall contain a minimum of 96% within stated size range as measured by volume %.
20% – 40% by volume shall be greater than one half of the specified top size.