拒水≠防水
拒水≠防水
拒水(water repellent):以疏水性化合物沉积于纤维表面,织物表面留有孔隙,空气和水汽还可透过。
防水(water proofing):以不透水的化合物充填织物表面的孔隙,不仅防水,而且不透气。
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