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2022
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How to whiten laundry detergent for main wash linen
Author:
How can the white bath towels of the hotel be washed so white? This is very different from the main washing method of whitening laundry detergent. The dehydration of white bath towels and towels will cause the white bath towels to turn yellow. Some detergents such as washing powder, detergent or bleach will remain in the fibers of the bath towels or towels if they are not clean. Yellow, it will also reduce its softness and become hard.
When cleaning white bath towels in hotels, professional industrial washing machines and other equipment are used, and professional operators clean them. The white bath towels and towels are thoroughly dehydrated.
The main wash is the core stage of linen washing and an important stage that determines the washing effect. In this process, water is used as the medium, the chemical action of the detergent is combined, and the comprehensive factors such as appropriate water temperature and time are closely coordinated to achieve a relatively ideal decontamination environment, and peel off the dirt adsorbed on the linen. Come to achieve the purpose of removing dirt and cleaning linen. This is a more complicated process.
The design of the main wash program and the choice of detergent are crucial. In the main washing process, the detergent should be selected according to the dirt of the linen, and the washing temperature and washing time should be designed according to the pollution degree of the linen. The water level in the main wash stage is generally low to improve the concentration and effect of the detergent. The washing temperature is 62℃-75℃. If the washing temperature is too high, the linen surfactant will form a gel, which will affect the decontamination ability of the detergent. The temperature can be slightly higher for pure cotton fabrics.
The PH value is controlled between 10-11.5. The washing time is generally 8-10 minutes. If the time is too short, various functions and reactions cannot meet the requirements, thus affecting the effect of decontamination; if the time is too long, the wear rate of the linen is increased and energy is wasted.
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