Polymer medias are from the category of grinding stones, which are classified in the category of medium and soft abrasion. These media are produced by Aria Sayan Gostar and are mostly custom-made for customers. The basis of these stones are polymer and polyester, which are combined with silicate and abrasive additives. Regardless of the size and shape, these media are divided into two general groups based on the hardness of the abrasives.
1.Hard cut polymer media
2.Soft cut polymer media