Rust
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===Tools=== | ===Tools=== | ||
| − | Besides basic hand tools, do you have access to a DA sander? Angle grinder | + | Besides basic hand tools, do you have access to a DA sander? Angle grinder with wire wheel? Media blaster? Spot blaster? Blast cabinet? Spray gun? |
===Cost=== | ===Cost=== | ||
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When converting/neutralizing rust: | When converting/neutralizing rust: | ||
# Get everything off first that you can by sanding and wire brushing (wire brushing will get into the pits better). | # Get everything off first that you can by sanding and wire brushing (wire brushing will get into the pits better). | ||
| − | # A rust converter/neutralizer containing tannic acid, | + | # A rust converter/neutralizer containing tannic acid, phosphoric acid or another type of acid should be used |
# Be careful of getting this stuff on your concrete floor as it will bubble and decompose it. | # Be careful of getting this stuff on your concrete floor as it will bubble and decompose it. | ||
# Follow the instructions on the bottle when you are done there should be a fine coating on the metal which will help prevent further rust from developing. | # Follow the instructions on the bottle when you are done there should be a fine coating on the metal which will help prevent further rust from developing. | ||
| − | # This stuff is hard on paintbrushes (eats away the | + | # This stuff is hard on paintbrushes (eats away the bristles) and you must be very careful of your eyes. Also it will ruin paint, so, again, use caution. |
Lots of "rust neutralizers/metal etchers/floor etchers/metal conditioners" contain primarily phosphoric acid, which reacts with rust (iron oxide) to create iron phosphate, a hard black substance over which primer can be applied. | Lots of "rust neutralizers/metal etchers/floor etchers/metal conditioners" contain primarily phosphoric acid, which reacts with rust (iron oxide) to create iron phosphate, a hard black substance over which primer can be applied. | ||
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Don't use battery acid (sulfuric acid) for rust removal. It's too dangerous, and there are many more effective chemicals. | Don't use battery acid (sulfuric acid) for rust removal. It's too dangerous, and there are many more effective chemicals. | ||
Ospho | Ospho | ||
| − | *[http://rustbeeter.com/ Rustbeeter] Merchant description: A byproduct of the sugar refining process. Probably similar to molasses. Parts must be submerged. Parts soak in a bucket for usually under a week, but as long as several weeks. Food product. Dry powder that gets mixed with water. Non-acidic or caustic. After use, parts are cleaned with | + | *[http://rustbeeter.com/ Rustbeeter] Merchant description: A byproduct of the sugar refining process. Probably similar to molasses. Parts must be submerged. Parts soak in a bucket for usually under a week, but as long as several weeks. Food product. Dry powder that gets mixed with water. Non-acidic or caustic. After use, parts are cleaned with dish soap and water, dried, and coated. |
*[http://www.tinmantech.com/html/must_for_rust_remover_inhibi.php Must for Rust] Merchant description: removes rust and corrosion, non-caustic to skin, needs no neutralizing, primer goes right over it. $28/gallon. | *[http://www.tinmantech.com/html/must_for_rust_remover_inhibi.php Must for Rust] Merchant description: removes rust and corrosion, non-caustic to skin, needs no neutralizing, primer goes right over it. $28/gallon. | ||
| − | *[http://www.eastwoodco.com/shopping/product/detailmain.jsp?itemID=15974&itemType=PRODUCT&iMainCat=373&iSubCat=374&iProductID=15974 Eastwood Rust Converter] Merchant description: 2-part mix, adheres to bare or rusty steel, and can be | + | *[http://www.eastwoodco.com/shopping/product/detailmain.jsp?itemID=15974&itemType=PRODUCT&iMainCat=373&iSubCat=374&iProductID=15974 Eastwood Rust Converter] Merchant description: 2-part mix, adheres to bare or rusty steel, and can be top coated with most coatings. 1 gallon each of the 2-part mix is $125. |
*[http://www.rust-cure.com/ Rust Cure] Merchant description: phosphoric acid-based. leaves a thin film that bonds well with most primers and paints. for pricing, need to see this page: http://rustcure.bizland.com/xwheretobuy.html . | *[http://www.rust-cure.com/ Rust Cure] Merchant description: phosphoric acid-based. leaves a thin film that bonds well with most primers and paints. for pricing, need to see this page: http://rustcure.bizland.com/xwheretobuy.html . | ||
*[http://www.eastwoodco.com/jump.jsp?itemID=1124&itemType=PRODUCT Oxisolv Rust Remover] Merchant description: dissolves rust and leaves behind a zinc phosphate coating. Spray/brush/dip. Non-toxic, non-flammable, and re-usable. Must be cleaned off before priming. | *[http://www.eastwoodco.com/jump.jsp?itemID=1124&itemType=PRODUCT Oxisolv Rust Remover] Merchant description: dissolves rust and leaves behind a zinc phosphate coating. Spray/brush/dip. Non-toxic, non-flammable, and re-usable. Must be cleaned off before priming. | ||
*[http://www.eastwoodco.com/jump.jsp?itemID=11122&itemType=PRODUCT Eastwood Rust Dissolver] Merchant description: acid free rust remover, leaves surface ready to paint, plate, or powder coat. Suitable for engine parts, and harmless to copper, brass, aluminum, solder, lead, plastic, rubber, seals, wood or vinyl. Surface must remain wet for product to work. $40/gallon. | *[http://www.eastwoodco.com/jump.jsp?itemID=11122&itemType=PRODUCT Eastwood Rust Dissolver] Merchant description: acid free rust remover, leaves surface ready to paint, plate, or powder coat. Suitable for engine parts, and harmless to copper, brass, aluminum, solder, lead, plastic, rubber, seals, wood or vinyl. Surface must remain wet for product to work. $40/gallon. | ||
*[http://sem.ws/product.php?product_id=164 Rust-Mort] Merchant's description: "Converts rust to a black or grayish, hard, insoluble, protective coating". | *[http://sem.ws/product.php?product_id=164 Rust-Mort] Merchant's description: "Converts rust to a black or grayish, hard, insoluble, protective coating". | ||
| − | *[http://sem.ws/product.php?product_id=206 SEM Rust-Seal] Manufacturer description: "Transforms rust leaving a tough, permanent, black protective coating. RUST-SEAL can be left exposed or may be | + | *[http://sem.ws/product.php?product_id=206 SEM Rust-Seal] Manufacturer description: "Transforms rust leaving a tough, permanent, black protective coating. RUST-SEAL can be left exposed or may be top coated with enamels, lacquers or urethanes." |
''(Make sure that none of the above count as "encapsulators". Also, what about the converters that leave a "protective film" on the metal. They say that they don't need neutralization, and they don't need to be washed off. Is this as good as cleaning to bare metal, and then hitting with epoxy primer?)'' | ''(Make sure that none of the above count as "encapsulators". Also, what about the converters that leave a "protective film" on the metal. They say that they don't need neutralization, and they don't need to be washed off. Is this as good as cleaning to bare metal, and then hitting with epoxy primer?)'' | ||
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