Why are corrosive chemicals used for removing rust or polishing precious metals instead of pulse lasers?

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I was just watching a video lasers would help removing away rust. So why isn’t it actually used in industries? Wouldn’t that make the process a lot less easier? Link: https://youtu.be/-BeTq99LqUo

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Anonymous 0 Comments

Laser removal is relatively new and the equipment is a lot more expensive than a bucket ‘o’ chemicals, so part of it is just attrition…there’s several hundred years of chemical & abrasive polishing infrastructure in the world, you don’t just change that out overnight. It will take years, even if everyone decides tomorrow that they want to go laser.

On top of that, you can’t use lasers for everything. You need geometry that allows the laser to reach the surface, which isn’t always true. You need high electrical power, which isn’t always true. You may have surface finish requirements that a laser can’t meet, etc.

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