Product Application
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It is used to remove heavy scales, discolouration, annealing colours, rust particles near weld and welding affected area by heat without grinding or wire brushing or buffing.
Coverage : Approx. 100 meters of running weld seam / kg of Passivating Pickling Paste
PROBLEM | CLEARING AGENT | COMMENTS |
Rust and other corrosion products. Embedded or adhering "free iron | Very light rust stain can be removed by 10% nitric acid. More significant rust or embedded iron will require picking. See also previous sections on Passivating and Picking. Sand or glass-bead blasting is another option | Wear PPE as appropriate. Afterwards rinse well with clean water. Mix in acid-proof container, and be very careful with the acid, (See Precautions for acid cleaners) |
Routine cleaning of boat fittings. | Frequent washing down with fresh water. | Recommended after each time the boat is used in salt water. |
Cooking pot boiled dry. | Remove burnt food by soaking in hot water with detergent, baking soda or amonia. | Afterwards clean and polish. with a mild abrasive if necessary. See comments re steel wool. |
Dark oxide from welding or heat treatment. | "Picking Paste" or picking solutions given on previous page. | Must be careful rinsed, and use care in handling (see Precautions for acid cleaners). |
Scratches on polished (satin or brushed) finish. | Slight scratches - use impregnated nylon pads. Polish with polishing wheel dressed with iron-free abrasive for deeper scratches. Follow polish lines. Then clean with soap or detergent as for routine cleaning | Do not use ordinary steel wool - iron particles can become embedded in stainless steel and cause further surface problems. Stainless steel and "Scotchbrite" scouring pads are satisfactory. |
PROBLEM | CLEARING AGENT | COMMENTS |
Routine cleaning All finishes | Soap mild detergent and water. (preferably warm) | Sponge, rinse with clean water, wipe dry if necessary. Follow polish lines. |
Fingerprints All finishes | Soap warm water or organic solvent (eg acetone, alchol, methylated spirits) | Rinse with clean water and pipe dry. Follow polish lines. |
Stubborn stains and discoloration. All finishes. | Mild cleaning solutions. Ensure any properietary cleaners state compatibility with stainless steel. Phpsphoric acid cleaners may also be effective | Use rag, sponge or fibre brush (soft nylon or natural bristle. An old toothbrush can be useful). Rinse well with clean water and wipe dry. Follow polish lines. |
Lime deposits from hard water. | Solution of one part vinegar to three parts water. | Soak in solution then brush to loosen. Rise well with clean water. |
Oil or grease marks. All finishes. | Organic solvents (eg. acetone, alchol, methylated spirits, proprietary "safety solvents"). Baked-on grease can be softened beforehand with ammonia |
Clean after with soap and water, rinse with clean water and dry. Follow polish lines |
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