Test Dust and Test Contaminants.

Powder Technology Inc. (PTI) is the leading manufacturer of ISO 12103-1 test dust grades as well as other contaminants used for testing. PTI was instrumental in writing “ISO 12103-1 Road Vehicles - Test Dust for Filter Evaluation”, there are four grades of test dust designated under this specification; please scroll down for further information on all of PTI’s contaminant products.

Microscopic view of ultrafine, fine and course grades of test dust Test dust as packaged Ground second cut cotton linters

Miscellaneous

SOFTC-2A Oil Filter Test Contaminant

Second Cut Cotton Linters

Talc Powder

Portland Cement

Carbon Black

Pulverized Vinsol Resin (Dark Pine Resin)