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Modern dry cleaning machines use a closed-loop system in which the chilled air is reheated and recirculated. This results in high solvent recovery rates and reduced air pollution. In the early days of dry cleaning, large amounts of perchloroethylene were vented to the atmosphere because it was regarded as cheap and believed to be harmless.
Delicate fabrics (think silk, cashmere and leather), embellished items and formal attire, like suits and gowns, tend to be dry clean only. Certain blankets and pillows shouldn't be machine washed ...
Gradually, the electric washing machine's spin cycle rendered this use of a mangle obsolete, and with it the need to wring out water from clothes mechanically. Box mangles were large and primarily intended for pressing laundry smooth; they were used by wealthy households, large commercial laundries, and self-employed "mangle women".
A dry-cleaning expert explains what dry cleaning is for, exactly how dry cleaning works, and what's in dry cleaning, including chemicals to avoid.
The chemist Sylvia Stoesser (1901–1991) had suggested tetrachloroethylene to be used in dry cleaning as an alternative to highly flammable dry cleaning solvents such as naphtha. [ 14 ] It is also used to degrease metal parts in the automotive and other metalworking industries, usually as a mixture with other chlorocarbons.
Dry cleaning refers to any process which uses a chemical solvent other than water. [12] The solvent used is typically tetrachloroethylene (perchloroethylene), which the industry calls "perc". [ 13 ] [ 14 ] It is used to clean delicate fabrics that cannot withstand the rough and tumble of a washing machine and clothes dryer ; it can also obviate ...
Wet cleaning machines have controls that allow them to safely and efficiently clean a wide variety of garments in water. Detergents and spot removers are made of ingredients that are safer for workers and the environment, yet are as safe and effective at removing soils, stains and odors as dry cleaning solvents.
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