OKUNO's strength
in aluminum world

Custom color solutions

OKUNO is a leading provider for aluminum anodizing chemicals and aluminum anodizing dyes. We have developed surface finishing chemicals especially for black coloring to give aluminum metallic and elegant textures. Especially, OKUNO is confident that we can provide the right black color for your applications and requirements from jet black, blue black, rich black, pearl black, coffee black, cool black, warm black by color and texture consulting services for aluminum.
We create innovative and competitive solutions in aluminum anodizing colors. In the world, OKUNO's products are widely used for smartphones, cameras, bicycles, furniture and many final products in every level of marketplace. OKUNO's color and texture consulting services are still evolving to create new values and solutions for aluminum.

OKUNO contributes to finding the best and the right colors that fit your requirements and applications because we know color creates brand identity. We can help color selection and texture design by mixing 35 standard coloring dyes until our customers achieve their own goals.

images

  • Aluminum coloring specialist for the right color

    Aluminum coloring specialists make the right colors by color and texture consulting services

  • Open laboratory for tests using customer's final products

    Quick service to finalize colors and specifications with customer's final products (Language: Japanese, English, Chinese, Korean languages)

  • Strong color retention, wide color variation

    High performance dyes in color retaining
    We have developed surface finishing chemicals especially for black colors (10 standard colors), also have other beautiful colors to widen color variations.

OKUNO's color consulting services

  1. 01

    First meetingConsulting to know color and texture goals (glossy, matte, pearl finish)

  2. 02

    Aluminum texture design with test panelsDecide aluminum texture and pretreatment process with test panels

  3. 03

    Aluminum coloring with test panelsCombine aluminum coloring and pretreatment process using test panels

  4. 04

    Custom-made coloringDetailed color matching (From darkness to light, shade colors or other preferences)

  5. 05

    Decide color, texture and total process with customer's final productsAdjust color, texture and total process for mass production

Applications

Used for smartphones, mobile devices, home appliances, music players, cameras, bicycles

Many experiences for flagship consumer products

  • images

  • images

  • images

Aluminum anodizing dyes (TAC DYESTUFF)

Create custom-made colors with strong color retention dyes
OKUNO contributes to finding the best and the right colors and textures that fit your requirements and applications as total process.

Aluminum body coloring technology

Anodizing treatment is to form anodic oxide on aluminum surface and the porous films are used for aluminum coloring. Hard, corrosion- and abrasion-resistant films enable excellent color retention property because the coating is not peeled off like coating.

Our products are used for many flagship consumer products because we can contribute to finding the best and the right colors and enhancing color retention property.
OKUNO is a leading provider for aluminum anodizing chemicals because we are aluminum specialists to create metallic and elegant textures. Also, by offering the best process including pretreatment and polishing, our process can strengthen color retention properties.

Now, we are developing phosphoric- and nitric-acid free chemicals for the sustainable world; besides, we also researching the technology for nickel-free sealing.
Recognized globally as a top company of aluminum coloring, OKUNO are committed to provide the most good products and services for tomorrow.

images

  • Pretreatment process for soft and smooth feeling
  • Design the best coloring process for mass production
  • Fill surface pores tightly to retain coloring dyes

    We are developing nickel-free sealers.

  • Advanced dyes with high climate and thermal resistance

Aluminum anodizing process

Only OKUNO can provide total process from pretreatment to post treatment in the world.

  1. 01
    Pretreatment

    Texture design (Gloss, matte, surface smoothness), Cleaner, impurity remover

  2. 02
    Anodizing

    Mist controller (Prevent mist)

  3. 03
    Surface
    conditioning

    TAC SORMAL series (Promote dyeing reaction)

  4. 04
    Coloring

    Standard 35 colors of aluminum dyes

  5. 05
    Sealing

    Fill surface pores to retain coloring dyes