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PHYSICAL PROPERTIES - NONWOVEN
GEOTEXTILES NONWOVEN Polypropylene (product prefix: GNP)
STRENGTH/ FILTRATION CLASSES (TRANSIT NEW ZEALAND)
TNZ Strength Classes (F/7 2003) A B C D   E
TNZ Filtration Classes (F/7 2003) 1-4 (all grades)
PRODUCT CODE (GNP:) A1 B1 C1 D1 D2 E1
MECHANICAL
Grab Strength AS 2001.2.3 B N 660 920 1250 1430 1506 1850
Elongation at Break AS 2001.2.3 B % 70 70 75 75 73 60
Trapezoidal Tear AS 3706-3 N 280 350 465 540 731 820
Mullen Burst AS 2001.2.4 B kPa 1700 2350 3400 4000 4688 6400
CBR Puncture AS 3706-4 N 1750 2450 3550 4150 4763 5700
G-Rating Austroads G > 1200 > 1800 > 2900 > 3400 - > 4500
HYDRAULIC
Effective Opening Size (EOS) AS3706.7 um 170 125 90 90 75 75
Permittivity AS3706.9 sec -1 2.58 3.2 2.6 1.4 1.7 1.0
Water Flow Rate ASTM D4491 l/m2/sec 122 166 122 79 100 51
ENDURANCE
UV Resistance (Retained @ 500 hrs) ASTM D 4355 % 70 70 70 70 70 70

All values are Typical unless indicated otherwise.

The data in all tables is intended as guides only and is not intended as a warranty or guarantee. Permathene Ltd. reserves the right to change the specification contained herein without notice.

Last updated February 16, 2011.