Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
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Removing rust from cast iron toy elephant
Q. About 4 years ago we were digging a hole in our backyard to plant a tree and dug up a cast iron toy elephant. It has thick rust all over it. Is there a product or procedure that you can recommend that we use to remove the rust?
Laura Cammack- Montpelier, Idaho
April 22, 2008
A. Try 5% ammonium citrate solution(50 gm citric acid ⇦this on eBay or Amazon [affil links] /1 lit water+add some ammonia ⇦this on eBay or Amazon [affil links] -pH must be 3,5!). Or you can use very strong tea solution. Only 50 gm citric acid /1 lit water solution works too. You must wax or lacquer it!Hope it helps and good luck!
Goran Budija- Cerovski vrh Croatia
April 25, 2008
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