The PSA D47 1725 standard, developed by the Peugeot automobile company, describes the requirements for the soiling tendency of the floor carpets of vehicles.
It is estimated that close to 80 percent of all dirt accumulated on carpets consists of sand and dry particulate matter. Such soils are generally sandy and abrasive and contribute to the erosion of the flooring, thus creating a dull appearance. If not cleaned, these sand and dry particles move towards the bottom of the carpet, and then the sharp edges of the dirt particles begin to cut the fibers in the lower parts. This causes the fiber to weaken, and even the appearance of obvious wear begins to appear.
Other than sand and dry particles, the rest of the soiling in carpets consists of oils, greases and similar materials. This dirt comes from overheating and automobile exhausts. This type of soil is generally acidic. This is why most carpet cleaning detergents are on the alkaline side of the pH scale. Mild alkaline cleaners, combined with adequate detergent, neutralize this acid state to improve soil removal.
A carpet's ability to collect dirt includes not only large amounts of dirt, but also food particles, hairs and fibers. This creates a breeding ground for dust mites, mold, bacteria and the like on the carpet.
Meanwhile, cleaning residue in carpets is a major challenge to the appearance of all soft floor coverings. Cleaner residue can cause rapid re-soiling, degrading the look of many carpets and giving them a dirty, grimy appearance even if the carpet is genuinely clean. The most difficult stains to remove are oils, tars, resins, and gums. These substances are sticky and tend to adhere, harden, or dry on the fibers, making them impossible to remove with dry vacuuming. These soils require sufficient moisture, chemicals, and agitation to loosen and completely remove them. Also difficult to remove are stains that are extremely small in size or contain dyes or pigments that actually penetrate the carpet fibers, acting as staining agents and remaining persistent.
Among the numerous test, measurement, analysis and evaluation studies it provides for businesses in various sectors, our organization also provides soiling tendency testing services for floor carpets within the scope of PSA D47 1725 standard, with its trained and expert staff and advanced technological equipment.
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