Separation Critical

Separation critical woven products offer a solid combination of separation, filtration, and durability capabilities, allowing them to often be the "products of choice" for a broad spectrum of applications including roads, pond capping, low-energy shorelines, and resource recovery operations. Each of these woven geotextiles is composed of high-quality polypropylene resin and carbon black.


Metric Values

All values provided are intended for rapid comparison purposes, only. Please refer to a specific product’s Product Data Sheet (PDS) and the disclaimers therein for a detailed listing of all characteristics, associated definitions and values needed for structure design, specification compliance review and product submittal purposes. Please Download PDS for all information transfer, printing and submittal purposes.

Property Test Method Units TerraTex® HPG-16 TerraTex® HPG-27 TerraTex® HPG-37 TerraTex® HPG-57 TerraTex® HPG-77
Grab Tensile
ASTM D4632 lbs 320 x 320 400 x 300
Grab Elongation
ASTM D4632 % 15 x 15 10 x 6
Wide Width Tensile (Ultimate)
ASTM D4595 lbs/ft 2,700 x 2,800 2,640 x 2,460 3,600 x 3,240 4,800 x 4,800 7,200 x 5,760
Wide Width Elongation
ASTM D4595 % 12 x 8
Wide Width Tensile (2% Strain)
ASTM D4595 lbs/ft 500 x 600
Wide Width Tensile (5% Strain)
ASTM D4595 lbs/ft 1,100 x 1,700 1,272 x 1,440 1,500 x 1,560 2,400 x 3,000 3,600 x 3,600
Trapezoid Tear
ASTM D4533 lbs 125 x 125
CBR Puncture
ASTM D6241 lbs 1,400
Permittivity 1
ASTM D4491 sec-1 0.7 0.6 0.8 0.5 0.9
Water Flow Rate 1
ASTM D4491 gpm/ft2 50 40 60 30 65
AOS 1 , 2
ASTM D4751 US Std. Sieve 40 30 30 30 20
UV Resistance
ASTM D4355 % @ 500 hrs 90 80 80 80 80
Product Data Sheets

  • 1   At the time of manufacturing. Handling, storage, and shipping may change these properties.
  • 2   Value represents maximum average roll value.