Mary@zhongloo.com
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(1) The density of polypropylene is small, only 0.91g/cm3( polyester is 138g/cm3), so compared with polyester geotextile, polypropylene geotextile has a larger coverage area under the same strength. (2) The special structure of polypropylene makes it have excellent acid and alkali resistance, especially the alkali resistance is better than that of polyester. in polyester. (3) The surface friction coefficient of polypropylene fiber is small, the friction force between fibers is small, and the wear resistance is good, and the anti-vibration friction performance is much better than that of polyester
(4) Polypropylene has good hydrophobicity, does not absorb water, and is used in water supply and drainage. Engineering applications are better than polyester.