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Thursday, May 4, 2017

Orvis Pro Tips - What Does "Anodized" Mean for a Fly Reel?

Pro Tips: What Does “Anodized” Mean for a Fly Reel?

Written by: Phil Monahan

Anodizing has a big effect on a reel’s durability and color.
Photos via orvis.com
Whenever you see advertising copy for a fly reel, it usually mentions that the metal is anodized. (For instance, the description might say that the reel is made from “anodized 6061 T6 aluminum.”) The copy might even note that there’s a special type of anodizing involved. If you’re not really sure what these terms mean, here’s a brief primer.
Anodizing is a chemical process that creates a coating on the surface of a metal (usually aluminum), which makes the metal more durable and resistant to scratches and dings. Anodizing also increases corrosion resistance and makes the metal easier to dye. Reel manufacturers use aluminum because it is so light, but it’s also quite soft. Without anodizing, an aluminum reel would not be very durable.The most common method of anodizing involves dipping the aluminum in sulfuric acid and then running electrical current through the acid. This causes aluminum oxide to form on the surface. Unlike iron oxide—which we call “rust”—the aluminum oxide does not flake off and is, in fact considerably harder than bare aluminum. Because this film of aluminum oxide is somewhat porous, it can be dyed or painted various colors.

Read the rest of the story at Orvis News

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