INDUSTRY NEWS

What is the reason why the aluminum profile is light and black when it is black at normal temperature? How to deal with it?

2019-05-05

Motivul:

1 black time short profile oxidation, residue on the parts;
2 solution acidity is low;
3 The composition of the solution is out of proportion.

Approach:
1 controlați timpul de întunecare;
2 supplement concentrate;
3 Supplement the adjustment solution components.