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Coatings

Magnetic surface treatments available for your application

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Types of possible coatings

Coating
Thickness µm
 Colour
SST Std.
 Characteristic
Zn
(Zinc)
4 - 8
 bright blue
24 – 48
 Regular protection
Ni-Cu-Ni
(Nickel-Copper-Nickel)
12 - 20
 bright silver
48 – 96
 Excellent humidity, heat and salt spray resistance.
Ni-Cu-Ni + Epoxy
( Nickel-Copper-Nickel + Epoxy)
15 - 25
 grey or black
>200
 Excellent humidity, heat and salt spray resistance. Very good abrasion resistance. Process-related small contact dots may remain on the magnet.
Ni-Cu-Ni + Au
( Nickel-Copper-Nickel + Gold)
12 - 20
 golden
48 – 96
 Excellent humidity, heat and salt spray resistance with superior apperance and decoration.
Schwarz Ni
( Black Nickel)
10 - 20
 bright black
48 – 96
 Excellent humidity, heat and salt spray resistance.
Teflon
( PTFE)
10 - 25
 yellow / black
>500
 High temperature and rub resistance. Self-lubricant and 100% water-proof.
Parylene
( Polymer)
5 - 25
 transparent
>500
 Excellent humidity, salt spray, corrosive vapors, and solvents resistance. Free of pore but low abrasion resistance.
Phosphatiert
<1
 dark grey
<2,5
 Temporary protection.

Remarks:

  • SST (Salt Spray Test) at 35°C / 5% NaCI (Sodium chloride).
  • Not all coatings can be used on all magnet material.
  • Other coatings available on request.