Quartz test dust with a maximum particle size of 150 µm and a mean particle diameter of 20 ± 5 µm. Also corresponds to the test dust “140 mesh silica flour”.
Quartz test sand with particle sizes between 150 and 850 µm. The exact distribution corresponds to the US Military Standard 810.
Quartz test dust according to MIL-STD 810 with a maximum particle size of 105 µm.
Red China Clay
Synthetically produced test dust mixture from different minerals according to MIL-STD 810.