Catalog FATH US Industrial Hardware 3.0 - Catalog - Page 332
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SURFACE SPECIFICATIONS AT FATH (Excerpt from FATH norm 0073)
General Specifications for Surfaces
Dimensions on product drawings relate to the finished product.
Coating thicknesses must be taken into consideration for production.
1.1 Powder Coatings
Designation 1
Processing
E0
Degrease and deoxidize
E1
Grind
E2
Brush
E3
Polish
E4
Grind and brush
E5
Grind and polish
E6
E7
E8
Pickling
Chemical or electrochemical polish
Polish and chemical or electrochemical polish
1.3 Anodize
DIN 17611 governs the surface quality of anodized parts. Designation is composed as follows:
Designation 2
Color
Class
Layer thickness [µm]
Location and stress
EV 1
Natural
10
10
Interior, dry
EV 2
Nickel silver
15
15
Interior, temporarily wet / rural climate
EV 3
Gold
20
20
Exterior, urban and rural climate
EV 4 Medium bronze
25
25 Aggressive climate, e.g. a combination of industrial and maritime climate
EV 5 Dark bronze
EV 6 Black
C 0 Colorless
C 31 Light bronze
C 32 Bright bronze
C 33 Medium bronze
1.4 Painting
A completely covered surface is required.
DIN 17611 – E6/EV1 nature class 10 according to FATH 0073
1.5.Phosphating
Light to medium corrosion protection. Low friction, good sliding properties.
1.6 Burnishing
Surface finishing for iron and steel parts, no corrosion protection. Dipping in oil emulsion. Surface coloring brown / black.
1.7 Chromate - Passivate
Surface finish with light corrosion protection for die-cast aluminum and zinc.
Standard: yellow or colorless (chrome VI free)
Very good primer for lacquers and powder coatings.
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