1) form a tightening film to aviod airabsorption and impurity 2) cut Al loose dramatically

Scatter the covering agent on the surface of clean al liquid after refining to form a tightening film to prevent airabsorption and impurity again by al liquid and also cut Al loose dramatically

Usage:

1) Add definite quantity of covering agent when the al is melting.

2) Scatter the covering agent on the surface of al liquid after refining and before drawing off

3) Dosage:0.5kg/m2

4) Temperrature: 700-740°C

Covering Agent chemical