China manufacturer Zinc phosphate coating for metal surface treatment


Main Advantages:                                                                                                

  
Low-temperature, Fast filming, little sediment, light pollution. Phosphate coating is thin and Firm, dense and uniform, and nuclei is small. the product is suitable for large-scale Spraying line or the combination of spraying and dipping with strong processing Capability.

 

Technical details:                                                                                                     

2.1 Tank liquor Preparation (1 ton)

A. Tank reagent:  IC-2001-1A zinc-series phosphate coating agent

               IC-2001-1B zinc-series phosphate Coating agent

               NT-125 Neutralizer

               AC-1301 accelerator

B. First, add water to Tank with 50 % of the capacity of tank. Second, add NT-125 neutralizer of 4.5 to 5.0 kg. Third, add IC-2001-1A of 50 kg and stir evenly until flocculent Precipitate was completely dissolved. Finally, adding margin water, and stir Evenly. Confirm process indicators , heat to processing temperature. Before Using, add AC-130 accelerator of 1.6 kg and stir evenly.      

2.2 Tank liquid management

Total acidity: 18 to 36

Free acidity: 0.9 to 1.8

Accelerator: 2.0 to 5.0

Temperature: Dipping: 15 to 35 degrees 

Spraying: 35 to 45 degrees

Time:  Dipping: 15 to 25 Minutes  

           Spraying: 2 to 4 minutes

Spraying pressure: 0.6 to 1.0 kg/cm².

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