What is the best water temperature for washing clothes?

When washing clothes, you should pay attention to the water temperature not being too high. Adjust the water temperature according to the different materials of the clothes. 30-40 degrees Celsius is the most suitable water temperature for washing clothes. It is better to soak them before washing.

It is best to wash with warm water at 40°C.

Because the washing powder we usually use contains enzymes, mainly alkaline protease and alkaline lipase. Alkaline protease is used to decompose protein stains, such as sweat stains and blood stains. Alkaline lipase mainly acts on fatty acid and its ester stains, that is, oil stains. The activity of the two enzymes is related to temperature. The most suitable temperature is about 40°C. Too high or too low temperature will reduce the activity of the enzyme. Secondly, protein has a denaturing effect. Its notable feature is that the protein coagulates and the solubility is greatly reduced. One of the conditions that cause denaturation is high temperature. The same is true for protein stains on clothes. Therefore, if the water temperature is too high during the washing process, they will denature and solidify on the fabric fibers, making washing more difficult.

If you often use enzymes to wash clothes, it is easier to keep the enzyme active at 30-40 degrees Celsius, so the most suitable water temperature for washing clothes is about 30 degrees. On this basis, it is a wise choice to slightly lower or raise the water temperature according to different materials, different stains, and different detergents. In fact, the most suitable washing temperature for each type of clothing is different, and the water temperature should be selected according to the texture of the clothes and the nature of the stains. If the clothes contain blood stains and other protein stains, they should be washed with cold water, because hot water will make the protein stains stick to the clothes more firmly; if the water temperature is too hot, it is not suitable for washing wool and silk clothes, because it may shrink and deform, and it may also cause the clothes to fade; if we often use enzymes to wash clothes, it is easier to keep the enzyme active at 30-40 degrees Celsius. In general, the most suitable water temperature for washing clothes is about 30 degrees. On this basis, it is a wise choice to slightly lower or raise the water temperature according to different materials, different stains, and different detergents.

For specific stains, proteases, amylases, lipases, and cellulases are usually added to washing powder to enhance the washing effect. Proteases can catalyze the hydrolysis of meat stains, sweat stains, milk stains, blood stains and other dirt; amylases can catalyze the hydrolysis of chocolate, mashed potatoes, rice and other dirt; lipases can effectively decompose various animal and plant oils and human sebaceous gland secretions and other dirt; cellulases can remove fiber protrusions on the surface of fabrics, so that clothes can achieve color protection, softening, and renovation. In the past, single proteases were mostly used, but now compound enzymes are generally used. The blue or red particles in washing powder are enzymes. The quality and weight of enzymes used by some companies are not up to standard, which affects the washing effect, so consumers still have to choose well-known brands of washing powder. The removal of rust stains, pigments, and dyes requires certain conditions, and it is difficult to wash. It is best to send them to the laundry for processing. Consumers should note that enzyme-added washing powder cannot be used to wash silk, wool and protein fiber fabrics, because enzymes can destroy the protein fiber structure and affect the fastness and gloss of silk and wool fabrics. Soap or detergents specifically for washing silk and wool fabrics can be used.

1. Rice washing water + orange peel

Keep the rice washing water or put orange peels in a pot and add water to boil, then soak the yellowed clothes in it and scrub them to easily restore the clothes to whiteness. Not only is it simple, it does not have side effects on the skin like the fluorescent whitening agents sold on the market, and it does not damage the fabric. It is a good method worth trying.

2. Remove yellow stains caused by sweat with ammonia

Sweat stains produced by sweating, because sweat contains fat, are easy to condense in the fabric fibers, so add about 2 tablespoons of ammonia water when washing, soak for a few minutes, scrub, and then rinse with clean water. Follow the general laundry procedure to remove the yellow sweat stains!

3. Sometimes, white clothes or light-colored clothes will turn yellow over time. The main reason for the yellowing of white or light-colored clothes is the oil secreted by the human body, especially polyester fabrics, which are more prone to yellowing. In addition, there are fat residues left during washing (most obviously seen in tail ketone linen fibers). If they are not rinsed clean, they will cause large areas of clothes to turn yellow. There are ways to get rid of this phenomenon, such as using a large amount of detergent when washing clothes that are resistant to high-temperature washing. A traditional way is to hang the yellowed clothes in the sun, but before that, fresh lemon juice should be applied to the yellowed parts, and then some salt should be added and gently rubbed.

WARNING: Be careful and avoid using chlorine bleach. Fabrics such as spandex, silk, and wool will become more yellow when exposed to chlorine bleach.

4. If white clothes are kept for a long time, they will turn yellow. The main component of yellow stains is protein. Spinach will release soluble protein after being boiled in water.

① Buy a bunch of spinach, blanch it in hot water, remove the spinach and leave only the boiling water for later use

② Rub the yellow stains in the spinach water and soak for 10 minutes.

③ After soaking, pick up the clothes and wash them in the normal washing process. The clothes will be white again!