Method of manufacturing: Adopts the original  carrier-free technology by Tsinghua University. With the characteristics of higher purity and reactivity, no copper and iron content, it is especially suitable for polymer production. 

Package: 25KG 3-in-1 composite bag with PE liner.

Cautions:

(1) Toxic! Avoid direct physical contact with the product.

(2) The material is easy to sublimate, please keep the package sealed, and stored in dry and ventilated place.  Shelf time: 12 months