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ARNOLD seals and low-friction coatings

Corcon®    Seals used to increase corrosion resistance                     Caution – no lubricant!
                                                                           Should be used only where there is no friction
Combicon®  Seals used to increase corrosion resistance, with integral lu-  coefficient requirement.
           bricant for friction coefficient adjustment on metric threads
                                                                           e.g.: VDA 235-104

Fricon®    Low-friction coatings to configure friction coefficient on      e.g.: VDA 235-104
           metric threads

Corrosion protection properties

ARNOLD corrosion protection surfaces comply with the requirements of VDA 235-104 and 105.

Coating                                           VDA          Thread dimensions 1 Zinc corrosion 2 (h)  Base metal
Galv. zinc coating                                surface no.                                            corrosion (h)
transparent passivated3                           —
Galv. zinc coating                                20           All 72 240 2
thick layer passivated3                           25
Galv. zinc-nickel coating                         20           All 96 240
transparent passivated3                           40
Galv. zinc-nickel coating                         42           All 120 720
black passivated2                                 50
Zinc flake coating                                             All 120 480
with or without silver-colour top coat
Zinc flake coating                                             >= M6       -                             480
with or without silver-colour top coat
Zinc flake coating                                             >= M6       -                             720
with top coat black2
                                                               >= M8       240                           480

                                                               1) recommended measurement range · 2) only with seal · 3) recommendation for Cleancon®  Security lock
                                                                                                                                                          systems
                                                                Comment
                                                                 The resistance values stated in the DIN EN ISO 9227 neutral salt spray
                                                                 test table refer to tests carried out on coated screws immediately
                                                                 after coating. Bond strength, abrasion resistance and damage to
                                                                 surface influenced by debris and movement in transit are not taken
                                                                 into consideration. No conclusions relating to corrosion behaviour
                                                                 by the component when in use can be drawn from the results of the
                                                                 salt spray test. Corrosion behaviour depends on the construction and
                                                                 utilisation of the complete system.

wwwww.war.naornldo-lfda-sftaesnteinngin.cgo.cmom                                                                           171 03
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