Four Factors are important:
Sinner's circle |
1. Temperature: In general, the merchandise indicates the temperature safe for washing. If the clothes are not soiled, we can wash it from 0ยบ (we choose this temperature for wool and for those with strong color and dyes), to 20 or to 30. If the clothes are soiled or very soiled, we can wash to 40 or 50 or even 60 (for white or light cotton merchandise). For more information, go to temperature.
2. In terms of chemical reaction, the water (the presence of minerals, etc.), the detergent and softeners affect the clothes. For more information, kindly read The process of washing: chemical reaction and two articles published recently: Choose a good detergent (1) and Choose a good detergent (2).
3. In relation with time, we can choose a cycle that is longer (with pre-washing) or shorter (without pre-washing) depending on the make up and also the dirt. The cycles for wool or delicate clothes are of course shorter than those of cotton.
4. For the mechanical action of the washing machine (besides choosing the adequate program of washing, the temperature and time are also considered), you may read this entries Mechanical Action in the Process of Washing. For delicate merchandise, such as wool or silk, the mechanical action have to be at the minimum, because silk can be broken and wool shrunk.
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