1. Removal of rust stains
Rust stains on T-shirts can be soaked in 1% warm oxalic acid aqueous solution, and then rinsed and cleaned with our clean water. You can also use 15% acetic acid aqueous solution to wipe the stain, or soak the stain control part in the solution, and then rinse it with clean water the next day. You can also use 10% citric acid aqueous solution or 10% oxalic acid aqueous solution to moisten the stained area, then soak it in concentrated salt water, and then use a large amount of clean water to rinse and rinse it the next day.
White cotton or cotton blended fabric stained If there is rust, you can put a grain of oxalic acid system on other stains, moisten it with warm water, rub it gently, and then rinse it with running water. During operation, in order to prevent the corrosion of oxalic acid from affecting the fabric, the operation technique must be quick. You can also use fresh lemon juice to drip on the rust stains, rub it with your hands, and repeat several times until the rust stains are removed, then rinse with detergent and rinse with clean water.
2. Removal of soy sauce stains
Clothes stained with soy sauce can be washed in cold water and then washed with detergent. For clothes that have been contaminated with soy sauce for a long time, an appropriate amount of ammonia (1 ammonia) should be added to the washing liquid for washing.
Silk and wool fabrics can be washed with 10% citric acid aqueous solution.
3. Sweat stains on clothing can be washed with a 25% ammonia solution. You can also soak the clothes in 3% salt water for a few minutes, rinse them with clean water, and then wash them with traditional detergent. Sweat stains on silk, wool and different blended fabrics can be washed away with some citric acid. All need to be rinsed with our clean water. When removing sweat stains and mildew, new stains can be brushed off with a soft brush first, and then wiped off with alcohol. When removing old stains, you can first apply dilute lye or dilute ammonia on the stain, and then scrub it several times. Sweat-stained mildew spots on silk, wool and their blended fabrics can be removed with citric acid, alcohol and other solutions.
