Anodizing
12 Ways to Reduce Water Consumption
Save water, save money in your cleaning processes with these common-sense tips
Read MoreMore on Anodizing Die-Cast Aluminum Alloys
The anodized parts are a dark gray color. In addition, we perform a salt spray test and the parts show corrosion pitting over more than 10% of the test panel after only 72 hr. Do you know if this is normal?
Read MoreStripping Hard Anodic Coatings
Our company has an anodizing vendor that recently had some problems with our hardcoat anodized (Type III) parts. The problem was leakage around the masking, resulting in poor quality parts. The anodizer claims they can chemically strip the hardcoat and re-anodize the parts. Is it possible to strip hardcoat anodized coatings?
Read MoreHardness of Hardcoat Anodize
Question: What would be the hardness of the Alcoa Alumilite 226 hardcoat finish? The substrate is 6061 alloy aluminum tubing. G.S.
Read MoreMore on Type I vs. Type II Anodizing
In a question I addressed back in May, C.S. asked about rinsing Type I (chromic acid anodizing) coatings vs.
Read MoreGlue Adherence to Black Anodize
Question We’re having a problem with glue not adhering to anodized parts made from extruded 6063-T6 aluminum and finished with heavy etch and black anodize per MIL-A-8625, Type II, Class 1. The problem parts come in batches, something like a 25–50% fallout rate, when we normally have about 0.5–1% fallout.
Read MoreProblems with Black-Dyed Parts
Recently, we’ve had rejected parts because the black dye is coming off when the parts are wiped down with DI water.
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