MIL-A-8625 test panel specimen 7075-T6 bare aluminum 3" x 10" as rolled

MIL-A-8625 Quality Control Test Specimens

Process control test specimens used for MIL-A-8625 (Anodic Coatings for Aluminum and Aluminum Alloys). These test specimens are used for process control and quality conformance by manufacturers, platers, and inspectors. Quality control test specimens are used in checking the coating weight, coating thickness, corrosion and light fastness resistance, and abrasion resistance.

Coating Weight: the test specimen is a minimum of 3" wide, 3" long, and 0.032" thick.
Coating Thickness: the test specimen is a minimum 3" wide, 3" long, and 0.032" thick.
Corrosion & Light Fastness: the test specimen is a minimum 3" wide, 10" long, and 0.032" thick.
Abrasion Resistance: the test specimen is a minimum 4" wide, 4" long, and 0.063" thick.

Regular test panels are PVC-coated on both sides, cut to size, deburred, and packed in bundles. These panels may have some minor surface defects and will have mill oil on the surface, as these are the sheets in “as-received” condition from the aluminum mill.
Pre-cleaned panels are cut to size, deburred, and wiped and cleaned on both sides with solvent per ASTM D609 to remove mill oil and fingerprints. The panels are also scrubbed with soft material to remove visible surface oxidation. Pre-cleaned panels have an as-rolled surface finish, which may have minor scratches or surface defects. The panels are interleaved in plastic to protect the surface. These panels are not PVC coated when shipped, making the panels ready to use for most applications.
Premium polished panels are cut to size, deburred, and polished with a very fine sanding belt to remove any visible defects on one side. The reverse side of the panel may have some detectable scratches – premium polished panels are only premium on one side, not both. The panels are wiped and cleaned on both sides with solvent per ASTM D609 to remove mill oil and fingerprints. The panels are interleaved in plastic to protect the surface. These panels are not PVC coated when shipped, making the panels ready to use. Most Metaspec customers prefer our premium polished panels, but this high level of surface condition is not necessary for some applications.

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MIL-A-8625 Quality Control Test Specimens

Regular Panels

Pre-cleaned Panels

Premium Polished Panels

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