1. F.C. 90%MIN ASH: 8%MAX V.M.: 2%MAX M.:1.5%MAX S: 0.3%MAX SIZE: 1-5MM 30-80MM 30-90MM
2. F.C.: 93%MIN ASH: 5.5%MAX V.M. 1.5%MAX M.:1.5%MAX S:0.3%MAX SIZE :1-5MM 30-80MM 30-90MM
3. 95%MIN 6.5%MAX 0.8%MAX 1.5%MAX 0.3%MAX 1-20MM
4. 6.5%MAX 0.8%MAX 1%MAX 0.3%MAX 1-20MM