Aluminum Foil was placed in the bottom of my range, and when I removed it the foil was melted to the bottom. I was able to remove some of the foil, but about half of my range still has some foil stuck. I have tried to self clean the oven, thinking if would make the foil soft so I could remove it but it didn't. Please help this is a new oven and I don't know how to remove this.
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If the foil is melted to the bottom, most oven liners are porcelain, so it will probably scrape off fairly easy. You want to try something non-metallic first. If you need to use something metallic to scrape it off be very careful not to scrape or chip the porcelain, you might try a scraper used to clean glass top cooktops. Remember porcelain is glass, so make sure you wear eye protection.
This is not proven but worth trying. Get a can of "canned air" for removing dust from computers, etc at wallmart/staples whereever. Be careful because this following will get very cold and could give you frost bite. Place the straw in the spray head and turn it upside down then spray the melted aluminum foil, in 1 to 2 second bursts. Frost will appear on the melted aluminum. Keep spraying 3 to 5 times to make sure it is very cold. Then use a wooden spoon to scrape it off (you can press pretty hard without damaging the oven). The cold from the liquid air will cause one of the aluminum to contract faster than the steel and you may get it to pop apart and scrape the aluminum off. If it works a little, repeat as needed.
Steel wool is the best bet, but it would be easier to replace the floor panel. I had a customer do the same thing. depending on how bad it is replacement mat be a easier option, about $35 for the new panel, and about a month to get the part. two screws on the floor of the oven next to the back wall. The manual does say not to use foil on the oven floor.
(Wear a professional n95 mask and rubber gloves). Use a straight razor and scrape off as much foil as possible. Get a hold of Mercuric or sulfuric acid. BE CAREFUL not to spill anywhere, work close to a stainless steal sink. Poor a little in a small glass container and bring over stove porcelain surface. Pour the acid onto the foil and wait 3-4 minutes, use paper towel to wipe off the acid, and then a soapy wet rag. Repeat process until all foil is dissolved. Then wash surface thoroughly and repeatedly with a soapy dish towel. Once complete run water in the sink for 5 minutes till any possible remaining accid is flushed from the sink. The foil is gone and the porcelain is preserved. Works great! (Don't breathe the fumes and ventelate the area or move the stove outside)
A bit of chemistry first. Aluminum foil reacts to acid. A black substance referred to as aluminum salts is formed. This is simply wiped away. How quickly the foil is converted depends on the strength of the acid. Vinegar has a safe level of acid content. Within two hours, some aluminum salt should have formed. Wipe it away. Repeat. And keep repeating until all gone. Yes, the process takes time but you can be doing something else. And the salts are black, so you don't want your clothes or hands covered by the black. Expect this to take a long time. And you may get frustrated and decide to buy a new liner! But if you work at it long enough, it will remove the foil. You may be pickled by the end of the process but repetitions of this will remove the foil ... in good time ...with enough applications and wipings. And you haven't been exposed to fumes or effects of sodium hydroxide.