... abrasion loss PoliKing® series of surface finishing ceramic media has more than 6,000 different types for various applications. ... ; finishing or polishing for soft metal, aluminum, zinc, copperHigh alumina media, 3P, plastic media, 120-2400# Priciples of option1. ... and be adjusted according to rough or precision processing. The best and largest polishing and finishing media manufacturer in China King ...