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Stain repellent
Functional finish on fabrics in order to prevent the unwanted stains From Wikipedia, the free encyclopedia
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A stain repellent is a product added to fabric in order to prevent stains.[1]
Stains
Stains on fabrics are classified into three types: water-based stains and oil-based stains or a mix of both.[2]
Stain repellant fabrics
Fabrics are finished with certain finishes that do not allow unwanted stains or that will wash out in simple laundry.
Chemicals
Mostly larger PFCAs such as perfluorooctanoic acid (PFOA) are used in stain repellancy. It is also known colloquially as C8. PFOA is a product of health concern and subject to regulatory action and voluntary industrial phase-outs.[3]
Alternative chemistry
There are chemicals which are based on C8 free chemistry that may be used as an alternative to PFOA, but those are less durable.[4]
See also
Notes
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