Appearance :  Dark gray metallic powder
 

Packing :  Lined with double plastic bag, outer iron drum, 100kg or 200kg per drum

 

Physical properties

 

Model	Average size (BET or FSSS)	Oxygen content (Oxygen,%)	Total carbon (%)	Free carbon (%)	Ferric content (Fe,%)
MWC08	0.6-0.8μm	0.3	6.15±0.05	0.08	0.005
MWC13	1.2-1.4μm	0.12	6.13±0.05	0.06	0.006
MWC25	2.2-2.7μm	0.07	6.13±0.05	0.05	0.006
MWC30	2.7-3.2μm	0.07	6.13±0.05	0.05	0.006
MWC40	3.7-4.3μm	0.05	6.13±0.05	0.05	0.006
MWC60	5.5-6.5μm	0.04	6.13±0.05	0.04	0.008
MWC90	8.5-9.5μm	0.03	6.13±0.05	0.04	0.008
MWC200	17.0-23.0μm	0.03	6.13±0.05	0.06	0.012

Component Analysis (%)

 

Main contents W: ≥99.8%
Impurities Not more than	Al	0.001	As	0.001	Bi	0.0003	Ca	0.0015
	Cd	0.0001	Co	0.005	Cr	0.005	Cu	0.0005
	K	0.0015	Mg	0.001	Mn	0.001	Mo	0.003
	Na	0.0015	Ni	0.005	P	0.001	Pb	0.0003
	S	0.001	Sb	0.0005	Si	0.0015	Sn	0.0003
	Ti	0.001	V	0.001	-	-	-	-