全部 purity 99% WC 94% purity 99.99% Al2O3 62% purity 99.9% purity 99.5% 99.9% purity 99.999% Ni78% condition alpha si3n4 (85% purity 96.% ≥98% 99% Fe77.5% purity 98.7% Al2O3 70% Al2O3 80% ≥99% Al 77.9% Co 66% Fe 77.5% high purity 99.999% purity 99.5+% 98% 99.5% Al 81% Co 78% Co78% Cu 99.96% Fe 79% purity 98.5% 99.8% 99.99% Co 69% Co66% condition 99.99% purity 99.8+% ≥99.9% 95% 99.99% metals basis 99.995% Fe 78% Fe 81% Fe40% high purity 99.995% purity 98.% 99.5% metals basis Al77.9% Co69% Fe 40% Fe78% purity .% purity 97.5% purity 99.6% stabilized with 3% >99% -325 目, 99.5% 3-20目,99.998% metals basis 82% 99% metals basis,400目 99% metals basis 99%,1-5μm 99.0% (metals basis excluding Zr), Zr <2% 99.5% metals basis,＜15μm 99.7% metals basis (Hf除外）,Hf ≤1% 99.9% metals basis 99.998% 99.999% Al81% Ba: <1% Cu99.96% Fe81% Sr: <0.8% WC 90% ≤45um,99.0% metals basis ≥75% ≥86.0% ≥97.5% ≥99.5% ≥99.6% ≥99.99% metals basis ≥99.99% 粉末,≥325目,99.5% metals basis （Al + B）≥98%,≥300目

全部 1EA 2EA 5G 25G 5EA 50G 100G 10G 1G 10EA 250G 500G 10g 50g 1KG 1g 5g 250g 25g 100EA 50EA 20EA 20G 100g 3EA 125G 10KG 1L 1kg 2G 2KG 4EA 500MG 2g 500g

全部 Sigma-Aldrich 阿拉丁