... :JINGBAO origin in ganzhou jiangxi province,CAS,11130-29-3 yttrium oxide y2o3specification1.common class 99%,99.5%,99.9%,99 ... .95%,2.high-purity class 99.99%,99.995%,99.999%,3.NM class we can offer you kinds ... ,25,50kg/bag,inner two layer plastic bag,outer weave,metal bucket,paper drum or plascit drum., characterwhite powder. Density 5 ...