SURFACE COATINGS- ZnNi alloy coating on frames

We own an automatic Zinc-Nickel  line for surface coatings with Cr3 passivation + sealer

Line characteristics:

  • production capacity / year: 500000 m2 (per frame)
  • layer thickness: 5-18μm;
  •  passivation color: transparent, black
  •  Zn – Ni alloy composition: 11-15% (Ni); 89-85% (Zn)
  •  resistance to salt spray test: 720h – 1000h
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