Operation/Performance
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FEATURED POST
February 15, 2026
With the growing presence and demand for compressors producing Class 0 oil free air, it is easy to get confused regarding how to read, and understand, the ISO 8573-1:2010 Air Quality Classes chart. To truly understand the chart just like the alphabet we begin with our ABC’s:
A:
Solid Particles: measures the solid particles contained in the compressed air stream. Within this column are three sub-columns indicating the quantity of allowable particles by micron size. The bigger the particle, the fewer parts per million allowed.
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