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Media & Supplies

Plastic Finishing Media

Plastic Media

Grav Co manufactures plastic media in our Sturgis, Michigan plant. We have media for fast cut, long life and fine finish. With more than 50 years in the mass finishing business, we will find a solution for your most demanding finish requirements.

Ceramic Media

Ceramic Media

Available in a wide variety of shapes, sizes, and compositions, Grav Co tumbling media features unmatched performance. Grav Co will provide a quality product at a reasonable price. We have a fully stocked lab with several finishing machines to develop a process for the most demanding application.

Dry Finishing Media

Dry Media

Grav Co manufactures a complete line of treated cob, treated walnut shells, and finishing paste. We have formulas that can achieve a 1 Ra finish, and meet the highest decorative finish requirements.

Compounds (Liquid & Dry)


Grav Co has an extensive list of finishing compounds. Dry, liquid, burnishing, cleaning and deburring compounds. We can provide compounds for standard deburring applications, steel media burnishing, part on part, and parts washing applications. With over 50 years in the finishing business, we can find a finishing compound for your most difficult application.