![]() ![]() This link is to the thread on CRG which discussed that. It removed the surface rust and left the orange/blue/white stripes on the shaft). ![]() I use it mostly for smaller items, but I did derust my Z28 driveshaft with it (Using a 4" PVC tube capped off at one end). Over the past 10 yrs, I used the 2 gallons of Metal Rescue and probably 10-20 gallons of Evaporust. Evaporust at HG if over $25 (minus any discount you can get), but thru Amazon a gallon is less than $18. A few years later I discovered the evaporust brand which seems to be of similar makeup. Of course he said he would not drink it or recommend drinking it, Nor would I! :) But he would not share it's chemical makeup. I asked him if he would drink it (because it seems to be very benign). EVAPO-RUST Evapo-Rust Rust Remover 1 Gallon Item 96431 Evapo-Rust Rust Remover contains no acids, bases, solvents or other toxic ingredients so disposal is easy and safe. 79 99 Pay 54.99 after 25 OFF your total qualifying purchase upon opening a new card. : Evapo-Rust The Original Super Safe Rust Remover, Water-based, Non-Toxic, Biodegradable, 5 Gallons : Automotive Automotive Car Care Finishing Corrosion & Rust Inhibitors 10299 14.99 delivery Wednesday, May 24. I talked to the son of the inventor of Metal Rescue for probably an hour before I bought a couple of gallons from him I began with the same assumptions that you guys are making (it has to be acid based?), but he said No. I do not think the two products (Metal Rescue and Evaporust) are phosphoric acid based, as you can keep your hands in it indefinitely and it doesn't have the odor. No, they don't appear to have a phosphate coating, and they aren't bad about 'flash rusting' immediately (even in humid Alabama). and clean grease/oils off the items before using the derusting product.ĭo the "de-rusted" parts have a phosphate or similar coating? Do they flash rust immediately if not processed further? I use an older Evaporust container to keep my 'used material and label the jug (USED).Ħ) The product life will be longer if you can 'derust' using other means prior to using the product. To get the best results from either product, follow these guidelines:ġ) Keep the product closed up and put it in non-metallic containers when derusting, preferable with a top.Ģ) You only need to use enough to cover the items, so having a variety of 'non-metallic' containers available to 'fit' your rusted items is a good idea.ģ) The warmer the product is the better it works (don't heat it, just keep it in a warm place), or sit your derusting container in the sun works well.Ĥ) You can reuse the product, but when it begins to collect the rust residue, it's effectively is reduced.ĥ) Don't mix 'used' product with new product. I find both these products to be similar. Harbor Freight is similarly priced to the Metal Rescue, whereas Amazon Prime gets free shipping and a better price. Evapo-Rust Rust Remover contains no acids, bases, solvents or other toxic ingredients so disposal is easy and safe. More recently I have been purchasing 'EvapoRust', which is available thru Harbor Freight and thru Amazon. 2999 In-Store Only + Add to My List Check Inventory For This Product At a Store Near You Product Overview This biodegradable rust remover takes off heavy rust without scrubbing all you need to do is soak your parts in it. ![]() Metal Rescue is a good product, but generally only available at large car shows (I bought a couple gallons at Carlisle many years ago). ![]()
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