... Element WAL1,WAL2 ≥99.95%≤ 0.05%≤ 0.01% W1 ≥99.95% ≤0.05%≤0.01% W2 ≥99.92% ≤0.08% ≤0.01 %Note: potassium is ... and metal refining.We supply tungsten wire, tungsten bar, tungsten plate, tungsten sheet, tungsten rod, tungsten electrode, tungsten fabricated parts, tungsten alloy, tungsten copper alloy, tungsten heavy alloy.Please contact with ...