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Rust in microwave - Microwave Ovens

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If the wall of the cavity is not rusted too badly, you can sand it down to metal and touch it up with catalytic paint made specifically for microwave oven cavities. You should be able to get this paint at any appliance parts house. After this repair, be sure to wipe down the inside of the cavity to get the condensation cleared out after you cook in it. I usually leave the door open for an hour or so to be sure that it dries out completely.

Posted on Oct 28, 2013

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Posted on Jan 02, 2017

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Why is the inside panel of my microwave rusting


There is a significant amount of steam given off during cooking. If your fan is not working or your vents are blocked, the moisture stays inside and hence; rust. You could repaint by doing a bit of sanding and using a tremclad rust paint.

Dec 13, 2014 | Kenmore Elite 79203 Microwave Oven

1 Answer

WaLL ge microWAVE RUSTED INSIDE


Frankly I'm surprised to hear that there is rust inside your microwave oven. Usually the inside is made with stainless steel and does not rust. Are you sure that it is rust? Could it be built up grime? If it is then use some Fantastic and wipe it away.

Good luck

Mar 21, 2014 | GE Microwave Ovens

1 Answer

The microwave oven coating is peeling and exposing rust spots. what can I do to fix this? Do I need a professional repair person?


No this is something you can repair yourself. Take sandpaper and gently rub rust spots until smooth. Then you need to get ceramic touch-up paint and repaint rust spots.

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2 Answers

Microwave safety after repainting


Too generic...Did you use the high-temp appliance enamel recommended, or a spray...or worse?

Was the rust inside where it can contact food through the circulating air, or on the outer body?

First thought based on how I read the question: Never use that machine again...but that's based on the word "in" instead of "on my microwave".

If the rust was around the door frame, outside the seals, and you used an enamel (of course) then you may be OK...but...
Considering the fact that a cheap microwave is a drop in the bucket when compared to your family's health...Why risk it?

Mar 29, 2010 | Welbilt MR622W Microwave Oven

1 Answer

I have a Spacesaver Microwave (manufactured 1988) that still seems to work ok, but I noticed on teh back wall under the glass tray the coating has rusted away. Should I continue to use this microwave?


Hi,

As long as the oven's metal bottom is sound underneath the rust, there isn't a problem. The cooking chamber walls are so thick and highly conducting that they reflect the microwaves extremely well even when they have a little rust on them. However, if the metal is so rusted that it loses most of its conductivity in the rust sites, you'll get local heating across the rusty patches and eventually leakage of microwaves. If you're really concerned that there may be trouble, run the microwave oven empty for about 20 seconds and then (carefully!) touch the rusty spots. If they aren't hot, then the metal underneath is doing its job just fine.

Thanks.

Jun 17, 2009 | Microwave Ovens

1 Answer

Rust inside the microwave oven


This is just okay but if you're quite doubtful you may bring this to any appliance service center for repaint

May 15, 2009 | KitchenAid KCMS145J Microwave Oven

1 Answer

My microwave oven has are rust spots;can I paint over them?


Yes, you can paint over the spots and no, it's not dangerous. I'd let the paint thoroughly dry before using the oven -- it could otherwise cause paint to buckle/ripple/etc.

May 03, 2009 | Microwave Ovens

1 Answer

Bottom of GE interior door microwave is burnt/rusted


just use sand paper to clean the rust then use some high temperature paint (sold in tins) eg spray paint but it must be labeled high temperature and spray 2 to 3 coats . your microwave should be safe again

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2 Answers

Rust inside the microwave.


The areas can be sanded and painted, but first make sure there are no holes rusted through. If it's all surface rust, then sand and clean as best as you can. If you have any areas rusted through - get rid of the microwave.
Use the paint sparingly - don't try to cover in one or two coats. Best results are obtained with very, very light coats drying 10 minutes or so (depending on the humidity) in between. 10- 15 coats usually works well.
It's best to do this outside, as you'll have lots of overspray.

As far as the paint - the best I've used for the last 20 years or so comes from A.M.I. Parts. You can find them @ www.amiparts.com or toll free 1-800-522-1264.

Jul 04, 2008 | Magic Chef CMV1000B Microwave Oven

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