Size class

Particle size class defined in accordance with ISO 16232-10

and VDA Volume 19 Part 1, Pg. 178 (German Volume): "Range of a particle size with a lower and upper class limit."

Reference Volume (and volume-specific, additional or differing definitions to the standard):
VDA Volume 19 Part 2, Technical cleanliness in assembly, 1st edition 2010, editorial revised reprint April 2018