Yashi mai launin ya kasu zuwa yashi mai launin halitta, yashi mai launin shuɗi, da yashi mai launi.Siffofinsa sune: launuka masu haske, juriya acid da alkali, juriya UV, kuma babu faduwa.
Nau'in: yashi launi na halitta, yashi mai launi.
Girman: 10-20.20-40.40-80.80-120.120-180.200mesh.
Yashi gini da irin yashi nishaɗi, 10g/20g/40g.