... Filament woven geotextile Filament woven geotextiles are composed of two or more than two groups of yarn, tape or other ingredients, usually ... material is mainly polyester (PET) and polypropylene (PP) of two kinds, with the characteristics of light weight, high strength, less elongation at ... or more of the value of the short fiber geotextile with the same gram weight.Greater friction factor and hard to ...