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FF-7702  Bright Acid Tin Plating Process

FF-7702 Bright Acid Tin Plating Process

  • High Light

    PSSA Light Yellow Viscous Liquid

    ,

    CAS 28210-41-5 PSSA

    ,

    PSSA Polystyrene Sulfonic Acid

  • Type
    Bright Acid Tin
  • Use
    Tin Plating
  • Item
    Chemical Auxiliary Agent
  • Feature
    Fast Deposition, Stable Process
  • Place of Origin
    CHINA
  • Brand Name
    FENGFAN
  • Model Number
    FF-7702

FF-7702 Bright Acid Tin Plating Process

FF-7702 Bright Acid Tin Plating Process

 

 

FF-7702 bright tin plating process does not contain formaldehyde, is a low foaming sulphate tin plating process, can produce a bright silver-white ductile tin plating layer, suitable for barrel and rack plating process.

 

1. Features and application

Add special effect antioxidants to effectively extend the service life of the bath;

Formaldehyde-free, low-foam tin plating process;

Good solderability and uniform plating for electronic plating;

The coating performance is stable;

Does not corrode insulators such as ceramics and lead glass.

 

2. Operating conditions

Item Range Optimal
Stannous sulfate 20~40g/L 30
Sulfuric acid (H2SO4) 150~170g/L 160
FF-7702A 20~40ml/L 30
FF-7702B 0.5~3ml/L 2
Temp 5~20℃ 15~20℃
Cathode current density(rack plating) 1.0~3.0 A/dm2 2.0A/dm2
Cathode current density(barrel plating) 0.3~1.0 A/dm² 0.5 A/dm²
Anode current density 0.5~2.0 A/dm² 1.0 A/dm²
Stirring (cathode rocking) 3~4m/min 3~4m/min
Filter Continuous Continuous
Plating speed   1µm/min (2 A/dm²)