... requirements:Meeting GB3875-83,ASTM B760-86 Applications: tungsten electropolar plates. Designation:W1,W2Technical requirements:Meeting ... 86Applications: it is widely used in tungsten electropolar plates,tungsten boats,tungsten heat shields and heating bodies for ... empoldering and producing Tungsten,Molybdenum,Tantalum,Nickel,Tiatanium,Niobium,Zirconium and their alloys' plate/sheets,strips,foils, ...