Solid Rubber Ball for Industry 1.Application:Widely used in round screen 2.Material:Nature Rubber 3.Size:16mm,19mm,22mm,24mm Solid Rubber Ball for Industry (not inflatable):1. Size: φ16mm, φ19mm, φ22mm, φ24mm, φ26mm, 28mm,32mm, φ35mm, φ40mm, φ50mm,φ83mm.2. Application:Widely used in round screen3. Material: Nature Rubber, NBR, Ethylene-Propylene Rubber, Polyurethane Rubber 4. Color: White, Tan, ...