产品描述n高密度99.9%钨条/板/箔按公斤计价n杂质含量%n铝n钙n铁n钼n镍n硅n碳n氮n氧n平衡n0.002%n0.005%n0.005%n0.01%n0.003%n0.005%n0.008%n0.003%n≤ 0.005%n厚度公差范围以下n厚度n厚度公差范围n宽度n宽度公差范围n长度n长度公差范围nⅠ Ⅱn0.1- 0.2 ± 0.02 ± 0.03mm 宽度30- 150mm ± 长度范围50- 400mm ± 宽度公差范围3mmn＞ 初始值。±其余类推