used in cleaning and blasting Molds, Apparatus, Plastics, Gold and silver jewelry, Glasses, Watches, Golf Club, Barrette, Button Walnut shellThe Walnut Shell Grain can be used in cleaning and blasting Molds, Apparatus, Plastics, Gold and silver jewelry, Glasses, Watches, Golf Club, Barrette, Buttons etc as blasting materials, polishing materials and also can be used in producing Grinding Wheel as ...