What is the best media for polishing brass casings?

When it comes to dry media you essentially have two options; corn cob and walnut. Corn cob is best for brass that is less tarnished and does not need too much polishing, whereas walnut is best for your dirtier, more tarnished brass.

Can you clean brass cleaning media?

Strips of paper towel wet with mineral spirits cleans the media even better than drier sheets IME. Run it right in with your brass for a couple loads.

Which is better corn cob or walnut media?

Walnut shell is a much harder material than corn cob and it has sharper points and edges needed to abrade tarnish from the brass.

Can you clean walnut shell media?

Crushed walnut shell media will last a long time. We are usually able to get 15 to 20 runs with walnut media before it needs recharged with polish. The first recharge is usually only adding more polish as the walnut is still cleaning the cartridges just fine but the polish isn’t as bright as we would like it to be.

What kind of media should I use to clean brass?

This media is good for light cleaning. Some people treat it by adding a small amount of red rouge or TXP aluminum oxide to give it a slight abrasive action. Crushed corn cob, crushed walnut shells, and stainless steel pins are the three types of media used to clean and polishing brass cartridges for reloading.

What can walnut shell media be used for?

When used as a blast cleaning media, walnut shell grit removes paint, flash, burrs, and other flaws in plastic and rubber molding, aluminum and zinc die-casting.

Which is the best way to clean walnut shell?

Cleaning by walnut shell blasting is particularly effective where the surface of the substrate under its coat of paint, dirt, grease, scale, carbon, etc. should remain unchanged or otherwise unimpaired.

What kind of Polish to use on brass?

If your are going for a bright polish on your brass it’s necessary to get either treated walnut shell media or add your own polish to untreated walnut shell media. Many people use red rouge or TXP aluminum oxide to treat their media. One level tablespoon of polish per pound of media is enough to start.