Quote:
Originally posted by Col996s Nothing seems to touch the anodising for me. Bought some oven cleaner (Mr muscle) didn't seem to do anything to it. Ended up cleaning the bloody oven. |
I did a Google search and came up with this.
"Stripping anodized aluminum is fast and easy. You need sodium hydroxide to do it. It is available commercially at chemical supply places. You can use Crystal drano (29% sodium hydroxide). Use you hot water and about 1/2 cup to a gallon. Let part sit for a few minutes, part will start to bubble. That is when the anodized coating if off and now your going into the aluminum. Use gloves and well ventilated area!! Wash part immediately in cold water. Now to the restoration part. You can sand and polish at will, that takes a good buffer, compound and know how. Which I will not go into now. I restore parts professionally, including the reanodized process. I recommend anodizing the part. I put the hard protective coating back on the part for years of trouble free cleaning."
And this response to it!
"Fast and easy, maybe. Dangerous, absolutely. Just one more reminder that every year trained professionals wearing protective gear are seriously injured when something goes wrong making up solutions of sodium hydroxide. It has an enormous "heat of solution" / "heat of dilution". This means when sodium hydroxide is mixed with water, it heats up the water. Not a big problem if a small amount is well mixed into a large amount of cold water. But if a small amount of water mixes with a large amount of sodium hydroxide (which can happen even in a large tank with poor mixing), that small amount of water is instantaneously turned into steam and erupts the contents of the tank all over the operator."
Maybe safer just to polish it off with abrasives and elbow grease.