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PN-4 Zinc Plating Chemicals Black Nano Sealant , Chrome Free Sealant

PN-4 Zinc Plating Chemicals Black Nano Sealant , Chrome Free Sealant

  • High Light

    zinc plating brightener

    ,

    acid zinc plating chemicals

  • Place of Origin
    China
  • Brand Name
    Fengfan
  • Model Number
    PN-4
  • Minimum Order Quantity
    Negotiable
  • Price
    Negotiable
  • Packaging Details
    Standard export packaging
  • Delivery Time
    15-25 work days
  • Payment Terms
    L/C, D/A, D/P, T/T, Western Union, MoneyGram
  • Supply Ability
    200000pcs/day

PN-4 Zinc Plating Chemicals Black Nano Sealant , Chrome Free Sealant

PN-4 Black Nano sealant ; Chrome free Sealant Zinc Plating Chemicals

 

1. Properties

1. Completely free of any hexavalent chromium and silver material, completely environmentally friendly high-tech.

 

2. The black color is not produced from nickel salt reaction.

 

3. Suit for various zinc plating, and can produce a uniform black appearance.

 

4. Get white rust from neutral salt spray test up to 145h or more.

 

2. Process

Zinc plating → Washing for twice → Immerse nitrate (0.5%) → Washing for twice → passivation → Washing with deionized water for twice → Drying by centrifuge → Sealing with PN-4 → Centrifugal drying(15 seconds, 250RPM) → Curing (80 ℃, 30min)

 

3. Operating instructions

Preparation Operation range Best operation
PN-4 Original solution Viscometer 10 seconds
Immerse time 10-20s 15s
Temperature 20-30℃ 25℃
Baking temperature 60-80℃ 80℃
Bath material Acid-resistant plastic lining steel bath /