Common quality knowledge of washing powder

1) Q: For the same amount of washing powder, why do some washing powder look full and some are shallow? A: The same amount of washing powder looks different from light to full because of the different specific gravity (density) and the same volume. Depending on the specific gravity, it may be controlled and adjusted by the manufacturer within a certain range, and the specific gravity does not affect the washing effect of the washing powder. The specific specific gravity of individual washing powders is 0.28-0.45g/cm3, and the specific specific gravity is related to the following factors: 1) The cause of the product formula, the specific specific gravity and addition amount of the raw materials in the formula are increased. 2) The cause of the process is mainly related to factors such as the concentration of the washing powder slurry, the slurry pressure, the diameter of the spray gun, the air volume into the tower, the air volume of the air lift, and the confusion of the post-mixing. 2) Q: Will washing powder hurt my hands? Why is the washing powder itchy after washing? A: Washing powder has the ability to decontaminate, and also has a certain ability to remove sebum. When the concentration is high, it will hurt your hands. In the case of abnormal use, the damage to the opponent is very small, and even if there is some damage, it will recover quickly. Too much washing powder or direct contact with hands may also make the hands of sensitive people itchy. 3) Q: Will the colored particles be dyed on the clothes? In individual cases, if the washing powder is pre-dissolved in water for washing, there will be no dyeing phenomenon, because the color particles are soluble in water. If the stain is caused by improper use, it will gradually dissipate after repeated washing. 4) Q: The packaging of washing powder says to wash with warm water, is it that cold water has no consequences? What is the appropriate temperature for each individual? It is easier to wash with washing powder after soaking for a period of time than without soaking, why? The longer the clothes soak, the better, right? The washing effect of washing powder in warm water is better than that in cold water. The solubility in warm water is larger, the dissolution is uniform, and the nominal active agent can perform a greater function. There are still better results in cold water, just less so. The individual water temperature is appropriate at 30-60°C, and should not exceed 60°C. After soaking with washing powder, the nominal active agent can penetrate into the interior of the dirt, and the washing effect is good. Clothes soaking time is not as long as possible, soak for a period of time (individually 10-20 minutes), after the adsorption has reached equilibrium. If the soaking time is too long, the fabric will be damaged. In addition, there will be odors due to the deterioration of the dirt. 5) Q: Washing powder washes oil stains and stains, why sometimes there are traces after washing? For the cleaning of oil stains and stains, the use method should be appropriate: some stains should be cleaned in time, and they should not be aged. After aging, the dirt and fibers will be firmly combined or even turned into other substances, which will increase the difficulty of cleaning. Individually, the dirt formed by mineral oils such as motor oil is difficult to remove with individual detergents, especially when the stains are aged. 6) Q: Why do I feel the washing powder is hot when I hold the washing powder with wet hands when washing clothes? Many substances in the washing powder dissolve in the water when they touch the water on the hands. This process will release heat, and the hands will feel the washing powder heating. 7) Q: After washing clothes by hand, my hands are always dry and cracked in winter. Is the washing powder too irritating? A: Washing powder has the ability to decontaminate. After washing the clothes, the grease on the hands is partially washed away, and I feel a little dry. Cracking in winter is because after the oil is removed, it is easy to crack. After washing, you can apply hand cream to make up for the oil. For those who do laundry for a long time, it is recommended to take protective measures, such as wearing latex gloves. 8) Q: Is the washing powder suitable for all kinds of water quality? A: It may be applicable to different water quality. The water hardness of different regions has been taken into account in the formulation design. However, the results of washing in different water hardness will be different. The hardness of the water is low, the nominal active agent is fully effective, and the washing effect is good. Advocate for areas with high water hardness, such as Northeast China and North China, to appropriately increase the dosage. 9) Q: Why does the color fade after washing? Does the washing powder make the clothes fade and detergency better? A: Clothes fade, mainly because the dyeing is not fast. Some domestic printing and dyeing factories have poor dyeing and finishing skills, and the ability of dyes to adsorb on clothes is not strong. Some poorly dyed towels will fade when soaked in clean water. Washing powder has the ability to remove fabric stains and can also remove some weak dyes on fabrics. If the printing and dyeing level of the clothes is the same, the more the washing powder makes the clothes fade, the stronger the detergency may be at a certain level, but a good washing powder not only requires strong detergency, but also avoids fading.

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