Walnut Shell Grit

We are offering walnut shell grit. the cosmetic grade of walnut shell is either 'natural' or 'irradiated' and has rounded edges (relative to an abrasive blasting grade) for a smoother feel. The irradiation process is performed with gamma rays and sterilizes the walnut shell to provide an indefinite shelf life (no micro-biological growth). 'natural' product may require an additive in the formulation.