we supply high quality plstic media for mass finsihing from china at good prices. plastic media are made of high quality of abrasives and plasic resin, generally used for gentle processing of almost all materials, but soft and lower bulk density nature makes it particalarly suitable for polishing of soft componentss like aluminium, zinc, copper, brass, glod and silver. plastic media can provide high surface finish and widely used for pre-plate finishing. plastic medais are available in: heavy cutting, medium cutting light cutting available in color: red blue brown yellow white available shapes include: cone, pyramids tetrahedron. cylider-triangle wedge triangle please feel free to contact us for more information and prices.