Functions and Uses：
1. It is a phosphorus-free surface treatment and the waste water can be discharged after simple treatment.
2. It can be used to all metal pieces except the magnesium substrate to disperse, emulsify, and saponification a variety of mineral salts and organisms.
3. Applicable materials: iron, copper, aluminum, zinc and other alloys

Operating Components：
Steel pieces：
Density                       60~75 g/L       
temperature              66~96℃      
time                            1~5min        
Copper, Bronze, Aluminum：
Density                      60~75g/L
Temperature            60~71℃
Time                          3~5min
Zinc Alloy：
Density                     80~100g/L
Temperature           68~72℃
Time                         6~10min