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Hello people, I am not new anymore, but new in here, starting ith a question.

How is the finish on an Edge/Lo Pro Edge/Edge Pro realized?
Is it painted or galvanized?

I am asking as I saw a black one with "bubbly" color. I thought it was painted and dusty at first, but regarding it closer, this had to be different and seeing it "bubbled" on saddles and base plate (if the beveled regions belong to the base plate, marked) I am asking myself if this can happen. Some of the color on the saddles is missing and the rest is a bit bubbled. Looks a bit like there was an intent to remove the color, which was aborted later on. Maybe too much heat compromised structure and

Well, I hope it is not to complicated.
Audio equipment Font Gas Typesetting Auto part


Rectangle Font Brick Wood Material property
 

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I can see that it is black haha. Let me explain... powder coating is a finish type... It's how tool boxes are "painted". It's a finish that is applied and then baked in a very hot oven. It can look glossy, matte or anywhere inbetween. It's typically used in industrial applications because it is a strong finish that can withstand abuse and is less likely to chip if hit and doesn't wear down easily.
 

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Well it could have been heat like you said, but that is probably not all that likely because it would require a whole lot of heat... Maybe if it was left in a damp environment causing corrosion... Or possibly the metal was contaminated before it was coated compromising the material... This happened with aluminum used on Ford cars in the 2005ish models... The aluminum was contaminated with iron and it oxidized under the factory paint, causing the finish to bubble off. It looked like rust forming under the paint even though aluminum can't rust. It was a chemical reaction.


The most likely scenario is the most common issue with any of these bridges causing finish corrison/erosion is when they are not wiped down after use. That bridge has the patent text so it could be as old as an original lo pro... Which would place it as early as early 90's. Though that looks awful, someone would have to have some seriously acidic hands to cause that. You can see it's only on the side of the bridge there the trem bar isn't... It's where someone's hand would rest. Either way, the whole trem is done... Time for a replacement.
 
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