South-East Nonferrous Metal LTD.,Hengyang Hunan tungsten cemented carbide

◆　Scheelite

Grade	Content Wo₃(min%)	Content of Impurities(max%)
Grade	Content Wo₃(min%)	S	P	As	Mo	Mn	Cu	Sn	Sio₂
Fiest-class I	65	0.7	0.05	0.15	-	1.0	0.13	0.20	7.0
Fiest-class II	65	0.7	0.10	0.10	0.05	1.0	0.25	0.20	5.0

◆　Wolframite

Grade	Content Wo₃(min%)	Content of Impurities(max%)
Grade	Content Wo₃(min%)	S	P	As	Mo	Ca	Cu	Sn	Sio₂
Fiest-class I	65	0.7	0.05	0.15	-	5.0	0.13	0.20	7.0
Fiest-class II	65	0.7	0.10	0.10	0.05	3.0	0.25	0.20	5.0

South-East Nonferrous Metal LTD.,Hengyang Hunan 　　