Surface(??)

Coating??

Thickness(um)??

Colors ??

Resistance functions

??

Nickel ?

Ni+Ni/Ni-Cu-Ni

10-20

Silver ??

Black ??

Excellent Corrosion &Heal Resistance

???????????

Zinc ?

Zn Color Zn

8-20

Silver ??

Multicolor ??

Good Salt Spray Resistance

????????

Tin ?

Ni-Cu-Sn

15-20

Silver ??

Superior Corrosion Resistance

??????

Epoxy ??

Epoxy Ni+Cut+Epoxy Zn+Epoxy

15-20

Black ??

Red ??

Gray ??

Excellent Corrosion & Salt Spray Resistance

???????????????

Parylene ???

Parylene

5-20

Gray ??

Black ??

Superior Corrosion Resistance Excellent Salt Spray Resistance

???????????????