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WR COAT Special Aluminum Surface Treatment

Protects Aluminum even under the most Extreme Environments!

Water Repellent Properties

Generates a highly water repellent film that is difficult to contaminate.

Comparison of Water Repellency
  • Standard Anodizing

  • WRCOAT

Strong Corrosion Resistance

The electrically deposited film boasts extremely good adhesion to the material for excellent prevention of corrosion.

Corrosion Resistance Comparison (JIS 8681-1999(16h))
  • Standard Anodizing

  • WRCOAT

Phenomenal Chemical Resistance

High resistance to strong acidity and alkalinity also protects aluminum based materials from corrosion.

Chemical Resistance Comparison (chemical immersion for 24 hours)
  • alkalinity

  • acidity

High Heat Resistance

Highly crack resistant due to superb heat resistance even in high temperature environments.

WR Coat Properties Chart

Material Film Thickness (μm) Film Characteristics Remarks
Recommended Limit Generation Capabilities Corrosion Resistance
A1050 20 40
A1100 20 40
A2011 13 25
A2014 13 25
A2017 13 25
A2024 13 25
A4032 20 40
A5052 20 40
A5056 20 40
A5056 20 40
A6061 20 40
A6063 20 40
A7075 20 40
AC2A・B 20 40 Presence of surface cavities will cause film defects
AC4C 20 40 As above
AC7A・B 20 40 As above
AC8A 20 40 As above
ADC.6 20 40 As above
ADC12 20 40 As above
Material Film Thickness (μm)
Recommended Limit
A1050 20 40
A1100 20 40
A2011 13 25
A2014 13 25
A2017 13 25
A2024 13 25
A4032 20 40
A5052 20 40
A5056 20 40
A5056 20 40
A6061 20 40
A6063 20 40
A7075 20 40
AC2A・B 20 40
AC4C 20 40
AC7A・B 20 40
AC8A 20 40
ADC.6 20 40
ADC12 20 40
Material Film Characteristics
Generation Capabilities Corrosion Resistance
A1050
A1100
A2011
A2014
A2017
A2024
A4032
A5052
A5056
A5056
A6061
A6063
A7075
AC2A・B
AC4C
AC7A・B
AC8A
ADC.6
ADC12
Material Remarks
A1050
A1100
A2011
A2014
A2017
A2024
A4032
A5052
A5056
A5056
A6061
A6063
A7075
AC2A・B Presence of surface cavities will cause film defects
AC4C As above
AC7A・B As above
AC8A As above
ADC.6 As above
ADC12 As above

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    TEL +81-53-430-1122

    FAX +81-53-430-1123

    Miyaki Corporation
    Head Office

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

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