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TR-128
PostTime:2012/5/22 9:07:22    hit:1690
 

TR-128 Trivalent Chrome Irisated Passivator

 

Properties

1.    Good performance, thick film, trivalent chrome zinc layer passivator film.

2.    Light irisated, multicolor passivation layer(yellow, green, purple, pink), very special within high corrosion resistant trivalent passivators.

3.    Be able to be used without protector and sealant, NSS time can reach over 250 hours.

4.    Compare to conventional trivalent chrome process, pH operation range is greater 1.4-3.4.

5.    Operate in low and normal temperature, avoid conventional trivalent chrome thickness film heating, reduce the cost

6.    Self-restored property is similar to hexavalent chrome’s

7.    Apply to cyanide zinc plating, alkaline zinc plating without cyanide and acidic zinc plating in rack and barrel.

 

Operation

Passivation solution make-up

TR-128                                                  8-12%(volume ratio)                                  10% best Immersion time                                     45-120s                                                      60s best Temperature                                         10-42                                               20-30 best pH                                                         1.4-3.4                                                       2.0-2.5 best

Immersion time should be changed according to passivation solution concentration and using time.

 
 
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