... gel ball has non-toxic,tasteless 2.Meterial:food grade silicon gel 3.Diameter:15mm~45mm 4. ... 35,φ40,φ455. Usage: Used in medicine, mineral, machinery, food, metal metallurgy, vibrating screen, etc. In vibration ... vibration sieve spin in the screening of food industry often with silica gel ball materials ... workersSilicone Rubber Products producing process: Food grade white silicon gel ball for industrial