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 Better Color
CompCote® enables
direct polymer-metalbonding with suitable top coats due to its
share of molecular polymers. This results in improved adhesion.
It has
excellent dyeability. Accelerated weathering tests with 200 hours
of UV radiation show only a 1/3 of the color and brightness loss
found in conventionally anodized films (both films anodized to a
thickness of 10 µm, dyed black and sealed).
Standard
colors: black, titanium gray, blue, red, gold, green. Further
colors upon request.
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Smoothness
The smooth surface
and optimized microstructure created by CompCote® exhibits
excellent tribologic behavior.
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Anodized 10 µm - Alloy
6061 T6 Roughness (Ra): 1007 Nanometer
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CompCote® 10 µm -
Alloy 6061 T6 Roughness (Ra): 733 Nanometer
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It offers
excellent anti-galling characteristics in various combinations as
well as in friction tests. In some cases friction was reduced after
repeating the same test because of a "self-lubricating"
effect. Stick-slip effects are reduced.
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 Solid Bonding
CompCote®
coatings are built up through transformation of the base material and
are therefore optimally bonded with it. CompCote® grows into as well
as out of the base material.
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Film composition*
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CompCote-A®
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CompCote-H®
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Growth
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40%
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50%
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Depth
Of Penetration
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60%
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50%
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*
Approx. percentage, depends on alloy.
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Similar in concept
to standard anodizing and hardcoating, the CompCote® process builds
up a coating through anodic oxidation of the metal and simultaneous
molecular bonding between the aluminum oxide structure and the
polymer.
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Anodic oxide film TEM X
100K
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CompCote® film TEM X
100K
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The critical
difference lies in the microstructure of the resulting material.
Conventional anodized and hardcoat films tend to form a columnar structure.
By comparison, CompCote® film has denser, cellular structure,
increasing internal cohesion to make the material tougher.
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