The oil removal filters operate by collecting the oil or coolant and allowing it to drain to the base of the ScandMist unit. The filters do not “absorb” the oil, but rather coalesce it until it is heavy enough to drain.
Contaminated air passes through the filter media. As it does so, the oil particles are attracted to the oleophobic fibres. The oil droplets continue to collide with the fibre and so the oil droplet gains in mass. As the oil drop becomes bigger, it becomes heavy enough to fall against the airflow to the base of the ScandMist unit, where it can be collected or drained straight back to the machine tool sump.
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