Surface conditional help activating the substrate prior to phosphate process. It leads to a better result where a thin and homogenous phosphate layer can be obtained and finally, coating adhesion can be improved remarkably.
|Pretreated chemical||Surface conditional|
|Content (%)||1.5kg per 1000 litre of water|
|PH value||8 ~ 10|
|Control PH with||Soda ash|
Read the complete instruction of metal pretreatment