How to remove oil stains and black ink stains from school uniforms (Shenzhen middle school students' summer sportswear)?

1. Wash with soap first, and then scrub with 95%d alcohol (commonly used as reagent).

2. Wipe with a small amount of gasoline first, and then scrub with detergent.

3. Alcohol and white vinegar are mixed into solvent according to the ratio of 1: 1, and then wiped.

4. Soak the ink mark with a small amount of milk, wait for 10 minutes, rub it into paste with rice and apply it to the ink mark, then rinse it off.

After the ink stains on the clothes are soaked with water, wipe them with rushes repeatedly, and then rinse them with clean water.

Quote the wonderful use of expired milk: 3. Remove ink stains from clothes-first wash clothes with clean water, and then gently rub them with expired yogurt to remove ink stains from clothes.

It's best to wash the ink of ballpoint pen, but it won't be when you wear perfume (toilet water is also ok)

1. New ink stains or clothes that have not been soiled for a long time can be easily removed by soaking in hot milk or yogurt.

2. Generally, ink stains on clothes can be made into mixed solution with 1 part oxalic acid and1part water, heated, dipped with cotton balls in the hot state and carefully scrubbed. As soon as the ink mark disappears, rinse it off with a little warm ammonia solution.

3. Ink spots on wool and cotton clothes can be removed with 10% citric acid solution.

4. Formulation of ink detergent

(1) Mixing 96% alcohol, 10% ammonia and water at the ratio of 1:l: 1 can also remove ink spots. Ammonia will change the color of the fabric, so it is necessary to control the amount to avoid discoloration.

(2) Any one of insurance powder, bleaching powder or hydrogen peroxide can effectively remove the ink stains on white clothes.

(3) Ink stains on white clothes can also be wetted with tap water first, then with slightly hot mixed solution of 3% hydrogen peroxide and 10% oxalic acid, and then washed with clean water.

(4) For the blue-black ink stains on clothes, citric acid 1, distilled water 10 and concentrated borax solution 2 can be used as a remover. During preparation, citric acid is first dissolved in distilled water, then concentrated borax solution is added and mixed evenly. Dip this medicine with a brush and apply it to the blue-black ink spots on clothes, then use absorbent paper to absorb the excess solution, and then rinse with tap water after removing the ink spots.

(5) For the ink spots on the textile surface, alkylphenol polyoxyethylene ether 14.9% ~ 18.8%, monoethanolamine 10.3% ~ 13.7% and triethanolamine 4.15% ~ 4 can be used. The agent has no influence on fabric dyes, and can be used to clean fabrics of various colors, such as removing ink spots on the surface of textiles, ballpoint pen oil stains, etc.

(6) Dilute 0.5 ml of 30% hydrogen peroxide with 4.5 ml of distilled water, then add 5 ml of 5% oxalic acid and 0.7 ml of concentrated hydrochloric acid, dilute with 39.3 ml of alcohol, and put into a 50 ml drop bottle to obtain "Fading Spirit". Can effectively remove blood stains, ink and other colored stains that are difficult to wash off with soap. When in use, first wet the stain with clear water, then drop a few drops of "Fading Spirit", brush it with a brush, and then rinse it with clear water after removing the stain. If you want to clean the colored stains such as ink on the cloth, be careful not to let this medicine touch the pattern and make it fade. This medicine should be used now, not stored. Concentrated hydrogen peroxide will burn the skin, so wear protective gloves when preparing it to prevent concentrated hydrogen peroxide from contacting the skin.