What is three-proof finishing?

Water-repellent (water-repellent), oil-repellent (oil-repellent), and stain-repellent (fouling-repellent) are often called the “three defenses”, which means applying a finishing agent with a special molecular structure to the surface of the fabric to change the composition of the fiber surface layer. , and combines with fibers in a physical, chemical or physicochemical way, so that the fabric is no longer wetted by water or common oils (such as edible oil, machine oil, etc.). This finishing process is called three-proof finishing (water-repellent finishing) , oil-repellent, stain-repellent finishing).

In particular, antifouling mainly prevents the adhesion of dirt, but it may not be easy to remove dirt.

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