TerraTex HPG-55

TerraTex HPG-55 is a woven geotextile made up of polypropylene filaments which are formed into a stable network such that the filaments retain their relative position. It is non-biodegradable and resistant to most soil chemicals, acids, and alkalies with a pH range of 3 to 12. TerraTex HPG-55 is manufactured to meet or exceed the following requirements.

 
PROPERTY TEST METHOD MINIMUM AVERAGE ROLL VALUE
Mass per Unit Area ASTM D 3776 7.4 oz/yd2
Tensile Strength ASTM D 4632 425 x 350 lbs
Tensile Elongation  ASTM D 4632 21 %
Wide Width Tensile ASTM D 4595 270 x 225 lbs/in
Wide Width Elongation ASTM D 4595 18%
Puncture Strength ASTM D 4833 165 lbs
Mullen Burst ASTM D 3786 695 psi
Trapezoid Tear ASTM D 4533 145 x 125 lbs
A.O.S. ASTM D 4751 40 US sieve
Permittivity ASTM D 4491 0.96 cm/sec
Permeability ASTM D 4491 0.046 cm/sec
Water Flow Rate ASTM D 4491 70 gpm/ft2
Percent Open Area COE-02215 6 %
UV Resistance ASTM D 4355 90%

(strength retained @ 500 hrs)