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   SN-3 Electrolytic Coloring Additive of Gold-yellow Color
This additive is a powdery solid for getting stable Gold-yellow color, which has good resistance to weather and light.
1. Bath Composition (For make-up):
  KMnO4 
SN-3 
H2SO4 
Deionized Water 
10-15g/L
20g/L
20-30g/L
balance
2. Processing Parameters:
  voltage
Temperature 
Time
8-12V
20-25℃
2-5min
3. Bath Maintenance:
(1) Analyze the content of KMnO4 , H2SO4 daily and make compensation in time.
(2) Addition of SN-3 additive: 2-4kg per ton of profile produced.
(3) In the process of production, there is certain amount of sediment in bath produced in the bottom of the tank that has no negative effect on the coloring process, but has to be cleaned in regular interval.
 

 


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