An ultra-thin film is used to produce colors with a metallic feel.
Normally, applying a thick coating of paint or plating hides the material and destroys the feel of the material.
Abel Black is the only method of coloring stainless steel with a metallic feel.
In the color development method, the color is recognized by using light interference through the growth of an oxide film by electricity and chemical oxidation force.
As it is integrated with the underlying metal, there is no danger of it peeling off, and it can exceed the metal’s original performance in terms of durability and weather resistance.
On the other hand, when painting or plating, there is a risk of losing the beauty of the underlying metal, but the coloring is characterized by the fact that the color is added to the surface of the stainless steel while preserving its metallic feel, giving it a vivid color and warmth.
Chemical coloring is affected by the base material and causes color variation.
Electrolytic coloring was developed to overcome this problem, and the difference in color between material lots was suppressed.
In particular, black color by chemical coloring cannot produce deep, deep black because the film cannot be sufficiently thickened.
Abel Black treated surfaces show significant improvement in anti-reflection and absorption of light.
Infrared radiation rate (radiation rate)
Because of its improved emissivity, it is ideal for surface treatment of temperature-raising devices.
Matte or matt finish
Typical example: Blast and Abel Black
Gloss…5 or less
Depending on the shape and thickness, the above treatment may not be possible.
Please contact us for more information.
The surface is roughened and then treated with Abel Black to produce a matte finish.
This eliminates the need for painting and other coloring processes, optimizing the production process and reducing costs.
No change for 500 hours in the salt spray test. 30 times more resistant to corrosion than solid materials in a salt spray test
Does not discolor at temperatures up to 300°C in the atmosphere. In a vacuum, it can withstand even higher temperatures.
weather resistance (e.g. in terms of weather resistance)
Excellent weather resistance, and will not discolor for 1,000 hours in weathering tests using a super xenon weather meter.
Excellent chemical resistance to degreasing agents used to remove oil in the press.
Conforms to the RoHS Directive.
Does not contain Pb, Hg, Cd or Cr6+.
Solid stainless steel and Abel Black coating are almost identical in composition, so there is no need to separate the scrap.
Black oxide film” provides various functions.
Excellent functionality as a material
The cost can be lowered compared to the cost of later colors because surface treatment is not done on the molded products.
Reduction in the surface treatment process
The process can be reduced as there is no need for surface treatment after processing by the company or subcontractors.
Maintain machining accuracy
As the film is thin, the accuracy of processing by special press forming technology can be maintained.
No worry about deformation.
The risk of deformation due to transportation is reduced.
Film is not peeled off by shearing, sheet metal, pressing or laser cutting.
Maintains the same workability as solid stainless steel.
No need for painting in the post-process, and the product does not get scratched when sent by progressive presses and has excellent wear resistance.
Composite molding and insert molding
Abel Black can be used to make composite parts that cannot be surface treated after molding. In addition, it can be used in optical fields to prevent stray light and reflection of sensors. Also, it is not peeled off even when bent at 90 degrees or acute angles. Unbreakable.
It is also well suited for integrated molding with door moldings and roof moldings for automobiles.
We have a proven track record in construction applications such as high-class skirting boards.
Roll to Roll
The strong coloration film makes it resistant to extreme bending and winding. For example, it can be given electrical conductivity and wettability by laser etching or hoop plating.
The shading plate near the lens unit should reduce the reflection on the surface as well as the reflection on the end face, which is the path of light.
Abel Black can be colored all the way to the end-face. Matte finish is available as an option.
The stainless steel shading plate can be used for extremely thin thickness of 15μm, which is too thin for plastic film to be precise.
Also, it can be used in high temperature environment such as carbon black PET film which is not suitable for resin.
(Compatible with in-vehicle cameras and camera modules)
The black oxide film is produced by growing a passive film of stainless steel, which has extremely high adhesion and will not flake off.
There is no fear of local corrosion at the interface between the film and the stainless steel base, and it is suitable for products that require a high degree of cleanliness and durability.
Abel Black has a film thickness of less than 1 μm and can form a uniform film to the smallest detail, making it ideal for small optical components and other parts that require high dimensional accuracy.
The black color of Abel Black makes it superior from a functional point of view.
For example, it is more effective than stainless steel in terms of emissivity (the degree to which the heat absorbed is reemitted from the surface, also known as radiant ratio).
Because of its excellent thermal conductivity, it is also useful as a high-functional material for heat absorption and radiation when treated in vacuum drying equipment, temperature rise and cooling equipment, etc.
After treatment, the corrosion resistance is dozens of times greater than the material
Abel Black has a much thicker oxide film than the conventional method, so its corrosion resistance is much higher.
For example, in the ferric chloride corrosion test (JIS G 0578: Ferric chloride corrosion test method for stainless steel), SUS304 treated with abel black is much better than SUS316. Abel black treatment also improves the corrosion resistance of SUS430, although it is slightly worse than SUS316. Therefore, it is a new material with excellent durability.
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