If you’re working on metal, you might need to get yourself a container of Boysen Metal Etching Solution. It comes in handy as it serves more than one purpose. This Boysen guide will walk you through how to use Boysen Metal Etching Solution as a rust converter and as a metal cleaner.

Boysen Guide: How to Use Boysen Metal Etching Solution | MyBoysen

As Rust Converter

For dealing with rust, Boysen Metal Etching Solution can be indispensable. When treating rust, the recommended procedure is to first manually remove the rust with a steel brush or sandpaper. If this doesn’t completely remove the rust, you will need a chemical solution rust converter.

Rust converters, such as Boysen Metal Etching Solution, are a type of preparation chemical that reacts with rust to stabilize it. Through this process, the rust is prevented from spreading further. So if you’re treating rust, this part of the process is crucial. The problem will only come back (or even worsen) if you do not do a good enough job of removing or converting the rusted areas.

To use Boysen Metal Etching Solution, apply the rust converter to affected areas and wait for 10 to 15 minutes. Then, wipe the area with thinner using a rag.

Immediately apply a coat of your chosen metal primer right after to avoid flash rusting. Flash rusting is when rusting occurs on a metal surface immediately after you’ve done surface preparation procedures. This is usually caused by treating rust improperly or insufficiently.

Boysen Guide: How to Use Boysen Metal Etching Solution | MyBoysen

As Metal Cleaner

Aside from being used as a product to treat rust, Boysen Metal Etching Solution is also a metal cleaner. It removes light deposits of mill oil so that metal surfaces are properly conditioned for painting. This means if you’re working on new metal that’s not pre-painted, it’s recommended that you use Boysen Metal Etching Solution before applying paint on it.

If the mill oil on new and unpainted galvanized surfaces (like G.I. sheets) is not removed, whatever paint you apply on it may not adhere as well as it should. This will lead to painting problems like peeling and flaking.

To prep your unpainted metal surface, first wipe down the area with thinner using a rag. Then wipe the area with Boysen Metal Etching Solution as well. Your trusted pintor will call this step “paglalason.” After, proceed with your chosen primer. All these steps ensure that your paint will now properly adhere to your surface helping it become as durable and long-lasting as possible.

Want to learn more about Boysen Metal Etching Solution? Find its product guide in the Boysen website or via the Boysen app. Happy painting!

For questions and inquiries about Boysen Products, feel free to reach out to our technical team at ask@myboysen.com or call (02) 8363-9738 local 413 to 418 during office hours for a one-on-one consultation.


Jill is a writer on a continuous journey to learn about paint and share them with you, the reader. She has an interest in the technical side of things but also thoroughly enjoys playing with colors. She likes calm greens, quiet blues, and mellow yellows best.

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