1#锡锭:牌号sn99.90,
标准:gb/t 728-1998 化学成份: 锡≥99.90, 砷≤0.008, 铁≤0.007, 铜≤0.008, 铅≤0.04, 铋≤0.015, 锑≤0.02, 镉≤0.0008, 锌≤0.001, ai≤0.001, 杂质总合≤0.10 净重:每锭重25kg±0.2kg 包装:镀锌钢带捆扎