(1) Product form: material manufacturing and processing methods, width, diameter and weight of each roll, etc.

(2) Physical properties: Mainly unit area, quality, equivalent aperture, uniformity, etc.

(3) Mechanical properties: mainly include tensile strength, elongation at the time of tearing, tear strength, punching strength, top breaking strength, creep, and friction coefficient with rock and soil, etc.

(4) The Nature of water conservancy: vertical, horizontal to permeable;

(5) Durability, anti-aging ability. The physical properties and mechanical properties are the main performance indexes of Geotextile.