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6061-T6 aluminum test panels for MIL-C-81945 testing

MIL-C-81945 §4.6.1 Aluminum Test Panels

Aluminum test panels for testing by Military Specification MIL-C-81945. These 6061-T6 aluminum test panels are 3" x 6" x 0.040" and comply with MIL-C-81945B §4.6.1. Metaspec provides these test panels with a pre-cleaned as-rolled surface finish or a conversion coating per MIL-DTL-5541 Class 1A.


These test panels are used in several different test methods outlined in MIL-C-81945, including:

  • MIL-C-81945 §4.6.2 Primer
  • MIL-C-81945 §4.6.3 Insulating Compound Type I (Spray Method)
  • MIL-C-81945 §4.6.4 Insulating Compound Type II (Casting Method)
  • MIL-C-81945 §4.6.5 Insulating Compound Type III (Adhesive Method)
  • MIL-C-81945 §4.6.6 Topcoat
  • MIL-C-81945 §4.7.10 Hardness
  • MIL-C-81945 §4.7.12 Lubricating Oil Resistance
  • MIL-C-81945 §4.7.13 Impact Resistance
  • MIL-C-81945 §4.7.15 Temperature Shock Resistance
  • MIL-C-81945 §4.7.16 Weather Resistance


Metaspec also makes larger aluminum test panels (4" x 12" x 0.040") that comply with MIL-C-81945A §4.7.1, an older version of the same military specification. Customized test panels are available on request. Contact us to learn more.

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