[巴基斯坦] HS编码28112200

编码描述：precipitated silica, grade: zj-355 gr, packed in printed pp bag of 20 kgs net, cas no: 7631-86.9, net wt: 22500 kgs approx (declared net weight may be accepted). brand: zheng ji, origin: not shown. lab test: sample on test is found to consist essentially of silica in association with oxides of sulfur, phosphorous etc. it is in the form of white powder. % purity could not be ascertained. 编码来源：巴基斯坦原始海关数据 产品标签： fumed silica,bags,aerosil,silicon dioxide,vr,zeodent,silica,raw material,silica sand,gh