Porcelain has many uses in a house. Manufacturers make mugs, tiles, vases, toilets, and many other products from porcelain. Molding and baking ceramic at high temperatures in a kiln creates porcelain. After the porcelain cools, manufacturers add a glaze that protects the ceramic and makes it shiny. Price stickers or manufacturer details with adhesive-backed paper or plastic are often difficult to remove. If you can peel away the paper surface, it leaves a sticky adhesive residue on the porcelain.
White Vinegar
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Step 1
Pour white vinegar into a pan, and place it on the stove to warm it. Do not bring it to a boil.
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Step 2
If the porcelain piece is small enough to handle, lay paper towels or clean rags on a flat and level work surface. If the porcelain piece is large, lay rags or paper towels around the sticker.
Step 3
Dip a clean rag or sponge into the warm white vinegar. Dab at the sticker, and squeeze vinegar directly onto the sticker. Lay the vinegar-soaked rag or sponge over the sticker, and allow the vinegar to remain on the sticker 20 to 30 minutes.
Step 4
Remove the rag or sponge, and peel off the sticker with a plastic scraper. If any adhesive residue remains, repeat the process to dissolve the adhesive.
Oil
Step 1
Apply one of the following oils to the sticker: baby oil, olive oil, corn oil or vegetable oil.
Step 2
Allow the oil to soak into the sticker for 15 to 20 minutes.
Step 3
Scrape the sticker off the surface with a plastic utensil or scraper. If any adhesive remains, repeat the process.
Step 4
Wash the area with a grease-cutting dish soap, and rinse well with plain water. If the sticker was on a surface that you walk or stand on, wash the area two or three times to remove the oily residue.
Solvents
Step 1
Apply a commercial adhesive solvent, or use acetone or turpentine on the sticker.
Step 2
Allow the solvent to soak the sticker for 10 to 30 minutes, depending on the solvent and sticker.
Step 3
Scrape the sticker off the porcelain with a plastic scraper.
Step 4
Wash the area with a mild detergent two or three times to completely remove the solvent. Rinse well with plain water.