The principle of water and oil proof

Q:What is the principle of water and oil proof? A:With a reactive fluoride additive formulation mixed working fluid impregnated filter, the working fluid and filter fiber macromolecular structure of certain groups react to form macromolecular chains, changing the affinity of fibers in water, oil, so filter surface tension reduction, to less than the surface tension of water and oil, water repellent and oil in order to achieve the purpose.

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