Conversion coating

in space.

Conversion coatings
  • Types: trivalent chromium coating (SURTEC650) and hexavalent chromium coating (Alodine 1200)
  • Application: immersion or brush
  • Bath dimensions for immersion: 950 x 500 x 180 mm
  • Alloys to be coated: 1xxx, 2xxx, 5xxx, 6xxx and 7xxx series of aluminum alloys
  • Technology: fully manual, not automatic
  • Colour: pale or dark grey
  • Coating weight: 0.1 – 0.5 g/m2
  • Corrosion: 168h / 72h NSS and 240h humidity test
  • Bake-out: 72h, 60°C, 10-5 mbar
  • TVC: 100 cycles ±100°C in vacuum and ambient pressure
  • Standard ECSS-Q-ST-70-14C, prEN4729 and SP-ADST-1000112306 by Airbus
  • Acceptance by ESA and Airbus
  • Sentinel-2 flight hardware accepted by Airbus and ESA
  • JUICE Thermal Dummies accepted by ESA and Airbus
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