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Kuro Dize Allure of Hardness

Strong Film Protects Aluminum!

Comparison of Anodizing and Kuro Dize

Hardness Comparison

Kuro Dize’s film hardness exceeds Hv500, rivaling hard chrome plating.
It can be used as a new alternative material for products that require the hardness of conventional steel and stainless steel materials.

Comparison of Anodizing and Kuro Dize

  • Abrasive Jet Test (JIS H 8682-1993)

    Provides an extra level of wear resistance over conventional hard anodizing.

Abrasive Jet Test (JIS H 8682-1993)

Weather Resistance

Naturally Colored, so Superb Weather Resistance!!

A6061 Kuro Dize 30μ
Verified for 200 hours in Accelerated Weathering Test (sunshine carbon).

Heat Resistance

Boasts superb heat resistance that helps prevent cracks even in high temperature environments.

Kuro Dize Properties Chart

Material Film Thickness (μm) Standard Hardness Film Characteristics Remarks
Recommended Limit (HV) Hardness Generation Capabilities
A5052 30~40 50 480~550 Dark Brown even for Thick Film
A5056 30~40 50 480~550 Dark Brown even for Thick Film
A6061 30~40 50 480~550 Becomes Blacker with Thicker Film
A6063 30~40 50 480~550 Dark Brown even for Thick Film
7N01 30~40 50 430~550 Dark Brown even for Thick Film
Kuro Dize treatment only available for the above listed price.

Wear resistance is 20% better than hard anodizing.

Material Film Thickness (μm)
Recommended Limit
A5052 30~40 50
A5056 30~40 50
A6061 30~40 50
A6063 30~40 50
7N01 30~40 50
Material Standard Hardness
(HV)
A5052 480~550
A5056 480~550
A6061 480~550
A6063 480~550
7N01 430~550
Material Film Characteristics
Hardness Generation Capabilities
A5052
A5056
A6061
A6063
7N01
Material Remarks
A5052 Dark Brown even for Thick Film
A5056 Dark Brown even for Thick Film
A6061 Becomes Blacker with Thicker Film
A6063 Dark Brown even for Thick Film
7N01 Dark Brown even for Thick Film
Kuro Dize treatment only available for the above listed price.

Wear resistance is 20% better than hard anodizing.

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    Miyaki Corporation
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    1-12-15 Sakuradai, Nishi-ku, Hamamatsu City, Shizuoka, Japan 431-1104

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