Trademark：FW-1Formula：FWAppearance：Darkgraytungstenpowder,lightgraytungstenpowderforspraying.Applicati***:Usedforlargeslabs,rheniumtungstenthermocouplematerial,andcontactalloys.Packing:Irondrumlinedwithdoublepolyethylenebags.Netweight:100kgor200kgperdrum.PhysicalpropertiesModel***eragesize(um)Bulkdensity(g/cm3)Oxygencontentnotmorethan(%)060.6-0.81.4-2.20.5080.81-1.01.7-2.50.4101.01-1.52.0-2.80.3151.51-2.02.2-3.00.3202.01-3.02.6-3.50.25303.01-4.03.2-4.20.25404.01-5.53.8-4.80.25555.51-7.04.0-5.20.2707.01-15.04.2-5.50.2150>15.04.5-6.50.1ComponentAnalysis(%)MaincontentsW：≥99.95Contentsofotherelements≤Fe＜0.0050Si＜0.0020Ca＜0.0020Al＜0.0010Mn＜0.0010Mg＜0.0010Ni＜0.0030Sb＜0.0010Cr＜0.0010As＜0.0010Pb＜0.0001Bi＜0.0001Sn＜0.0003Cu＜0.0007Mo＜0.0050K＜0.0015Na＜0.0015S＜0.0010P＜0.0010C＜0.0050--)