Rock Tumbling Media

Mixtures of ceramic shapes are the latest thing in rock tumbling!  They do four things really well.  (1) they act as a cushion (just like plastic pellets) but they are also hard, so (2) the Silicon Carbide grit does not embed in the...

Polypropylene pellets have been used for many years to cushion loads of softer materials like obsidian.  They tend to embed with Silicon Carbide particles, so they may be re-used only with the same size grit.  Pellets used with 80-grit SiC thus...

This is 1.0 pounds of white 1/8-inch diameter polypropylene pellets, at 4.93 per pound, in a 1-quart plastic container.

This is 2.0 pounds of white, 1/8-inch diameter polypropylene pellets, at $4.66 per pound, in a 1/2-gallon plastic container.

This is 4.0 pounds of white, 1/8-inch diameter polypropylene pellets, at $4.27 per pound, in a 1-gallon plastic container.