Heating spray line process
Author：admin Date：2014-11-26 08:28:50 Hits：
Pre degreasing degreasing - water - water - watch - phosphate - water - water - DIW
30 to 55 ℃ temperature range
Degreasing, phosphating time every 2-4 minutes
Cold rolled sheet is very suitable for household electrical appliances, electrical cabinet users
Drug use: DY - 109 type degreasing powder, DY - 109 type titanium salt watch powder, DY - 202
Low temperature zinc series phosphating solution, DY - 200 promoter.
Advantages: cost savings, safe and convenient operation