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NSS Post Treatment Chemicals Trivalent Chrome plating Blue White Passivator

NSS Post Treatment Chemicals Trivalent Chrome plating Blue White Passivator

  • High Light

    NSS Post Treatment Chemicals Trivalent

    ,

    NSS Trivalent Chrome Plating

    ,

    Blue White Trivalent Chrome Plating

  • Type
    White-blue Passivator
  • Use
    Zinc Plating
  • Model
    Trivalent Chromium Passivator
  • Characteristic
    NSS>72-120H
  • Place of Origin
    CHINA
  • Brand Name
    FENGFAN
  • Model Number
    TR-295H

NSS Post Treatment Chemicals Trivalent Chrome plating Blue White Passivator

TR-295H Trivalent chrome blue white passivator ; Good corrosion resistance (NSS)

 

1. TR-295H Properties

This product is trivalent chromium passivation process, has passed SGS international certification.

 

It is used in blue and white passivation process of zinc plating and has excellent corrosion resistance.

 

Simple operation, good stability, low consumption and low cost.

 

It has a long service cycle, and it is better to use the subsequent washing tank liquid backflow.

 

The passivation film is transparent and uniform in color.

 

This product has excellent resistance to white rust, when the thickness of zinc layer is more than 5um, the neutral salt spray test time can be more than 72 hours, and the use of sealing agent can also improve the salt spray test time.

 

2. TR-295H Technological process

Zinc plating → Washing with water → Brighten with dilute nitric acid → Washing with water → TR-295H→ Washing with cool water → Washing with hot deionized water → drying

 

3. TR-295H Operating Condition

Operating condition Operating range Optimum value
TR-295H 30-70 ml/L 50 ml/L
Immerse time 30-60s (The higher the content, The less the passivation time) 35-45s
Temp. 25℃ 25℃
pH 1.8-2.5 1.8-2.5