

Geotextiles include a variety of synthetic polymer materials that are specially fabricated to be used in geotechnical, geoenvironmental, hydraulic and transportation engineering applications. It is convenient to identify the primary function of a geotextile as being one of: separation, filtration, drainage, reinforcement, fluid/gas containment, or erosion control. In some cases the geosynthetic may serve dual functions.

Mechanical Properties | Test Method | Minimum Average (English) | Minimum Average (Metric) |
| Mass/Unit | ASTM D-5261 | 8 oz/yd² | 270 g/m² |
| Wide Width Tensile Strength (MD x CD) | ASTM D-4595 | 2760 x 2700 Ibs/ft | 40.5 x 40 kN/m |
| Grab Tensile Strength (MD x CD) | ASTM D-4632 | 400 x 335 Ibs | 1780 x 1491 N |
| Grab Tensile Elongation | ASTM D-4632 | 20 x 15 % | 20 x 15 % |
| Trapezoidal Tear | ASTM D-4533 | 145 x 125 Ibs | 645 x 556 N |
| CBR Puncture | ASTM D-6241 | 1250 Ibs | 5563 N |
| Apparent Opening Size(AOS) | ASTM D-4751 | 30 US Std.Sieve | 0.6 mm |
| Permittivity | ASTM D-4491 | 1.5 sec-1 | 1.5 sec-1 |
| Water Flow Rate | ASTM D-4491 | 115 gal/min/ft² | 4685 L/min/m² |
| UV Resistance (% retained after 500 hours) | ASTM D-4355 | 90 % | 90 % |







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