Washington Mills' Interactive Surface Finishing Guide
Washington Mills, a world leader in the manufacture of abrasive materials and fused mineral products, has developed an interactive web based surface finishing guide to assist blasting customers in selecting the correct grit size of BLASTITE (brown aluminum oxide).  Washington Mills' guide provides a suggested grit size that corresponds to the Ra (Roughness Average) value based on a specific work piece surface, nozzle, and PSI.
Click on the link to access our surface finishing guide. http://www.washingtonmills.com/guide/
If you have questions regarding the appropriate grit size for surface blasting, please contact us directly at 800-828-1666 or email
