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TR-392 Zinc Nickel Alloy Black Trivalent Chromium Passivation

TR-392 Zinc Nickel Alloy Black Trivalent Chromium Passivation

  • Highlight

    TR-392 Trivalent Chromium Passivation

    ,

    Black Trivalent Chromium Passivation

    ,

    Zinc Nickel Alloy Trivalent Chromium Passivation

  • Type
    Black Trivalent Chromium Passivation
  • Temperature
    25-35℃
  • PH
    1.8-2.3
  • Time
    65-90s
  • Place of Origin
    CHINA
  • Brand Name
    FENGFAN
  • Model Number
    TR-391
  • Minimum Order Quantity
    25kg
  • Packaging Details
    Plastic barrel
  • Payment Terms
    T/T, L/C

TR-392 Zinc Nickel Alloy Black Trivalent Chromium Passivation

TR-392 Zinc - Nickel Alloy Blue Trivalent Chromium Passivation

1. FEATURES

Environmentally friendly black passivation without hexavalent chromium, suitable for rack and barrel plating.

A dense black passivation layer can be formed on the zinc nickel alloy coating, which has strong anti-corrosion ability.

The passivation solution has a long service life and is easy to operate and maintain.

2. PROCESS FLOW
Zinc nickel alloy plating (preferably reaching over 8μm)→ Rinsing → Rinsing → Activate → Rinsing→ Immersion in TR-392 → Rinse → Rinse → Sealing → Dry

3. OPERATION CONDITIONS

Operation Conditions Optimal Operating Range
TR-391A 80ml/l 70-110ml/l
TR-391B 80ml/l 70-110ml/l
pH Value 1.9 1.8-2.3
Passivation Time

 75s

 65-90s
Passivation Temperature 28℃ 25-35℃