国产精品久久在线观看,免费av黄色,美女视频二区,国产91一区,国产精品免费福利

Molecular Formula：

SnC₂O₄

Molecular Weight：

206.73

Physical and Chemical Properties：

white powder

Use：

It is mainly used as catalyst for esterification reaction, catalyst for hydrogenation of coal, and solarization of blueprint printing paper,etc.

Package：

25kg/drum or 30kg/calcareous plastic box，or customized

Main Technical Index: