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X-TEX-B12

MATERIAL DESCRIPTION: Geotextile

SAMPLES SENT BY: STL

DATE RECEIVED: September 13, 2004     DATE REPORTED: September 15, 2004

SAMPLE IDENTIFICATIONS:

SAMPLE ID PRECISION CONTROL NUMBER
R# X-Tex-B12 5190

TESTS REQUIRED:

TEST METHOD DESCRIPTION
ASTM D4632 Grab Tensile
ASTM D4595 Wide-Width Tensile
ASTM D4833 Puncture Strength
ASTM D4533 Trap Tear Resistance
ASTM D4491 Permittivity
ASTM D4751 Apparent Opening Size
ASTM D5261 Mass per Unit Area

TEST CONDITIONS: The samples were conditioned for a minimum one hour in the laboratory
at 22 + 2oC (71.6 + 3.6oF) and at 60 + 10% relative humidity prior to test.

TEST RESULTS:
The test results are summarized in Table 1. The units in which the data are reported are
included on these tables.

PRECISION GEOSYNTHETIC LABORATORIES

TABLE 1.
MATERIAL PROPERTIES
CLIENT:  STL Laboratories
PROJECT:  Geotextile Conformance
Date Received: 9/13/2004
Date Reported: 9/15/2004
Client Sample ID: R# X-Tex-B12
Material Description: Geotextile

SPECIMENS

METHOD
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
Avg. 		Std. Dev. Proj. Specs.
ASTM D5261 Mass per Unit Area (oz/ yd.2)
Test Specimen Size: 4" x 8"
     12.7 12.9 12.5 12.4 13.3           12.8 0.4  
ASTM D4632 Grab Tensile
Test was performed as directed in D4632, dry condition. Instron Tensile Testing Machine with hydraulic action grips and
1 in x 2 in rubber faces was used. Maximum load used for testing: 1,500lbs
Grab Breaking Load (lbs)

Direction "A"

113 93 118 128 102 115 118 118 136 134 118 13  

Direction "B"

 91 76 92 93 85 106 109 77 82 85 89 11  
 

Apparent Breaking Elongation (percent)
Direction "A" 124 120 165 138 122 131 147 149 120 127 131 11  
Direction "B" 168 164 168 175 180 179 190 179 161 161 172 10  
ASTM D4595 Wide- Width Strip Tensile
Test was performed as directed in D4595, dry condition. Instron Tensile Testing Machine equipped with 2 in x 8 in
Curtis Sure Grips was used. Full scale force range used for testing: 1,500lbs
Tensile Strength (lbs/ in.)

Direction "A"

 34 33 31 33 37 28         33 3  

Direction "B"

 23 22 24 23 22 23         23 1  
  Elongation at Break (percent)

Direction "A"

 108 117 107 117 107 106         110 5  

Direction "B"

 160 165 151 143 157 163         156 8  

SPECIMENS

METHOD
DESCRIPTION
1
2
3
4
5
6
7
8
9
10
Avg. 		Std. Dev. Proj. Specs.
ASTM D4833 Puncture Resistance (lbs)
Specimens were tested as directed in Test Method D4833.  They were clamped without tension between circular plates of a ring clamp attachment secured in the tensile machine.  Test specimens extended to or beyond the outer edges of the clamping plates.
  54 52 55 69 61 64 51 64 70 64 72 20  
     73 110 92 107 94                
ASTM D4533 Trapezoid Tear Strength  (lbs)
Specimens were tested as directed in Test Method D4533, dry condition.

Direction "A"

72 51 62 57 55 61 106 64 54 57 64 16  

Direction "B"

 51 56 45 38 39 48 42 44 36 46 45 6  
 

Apparent Breaking Elongation (percent)

ASTM D4491
Constant Head

 Permittivity (sec.-1)
Specimens were tested as directed in Test Method D4491 using the Constant Head method.
  2.05 1.97 2.00 2.06             2.02 0.04  

Permeability  (cm/sec.)                      
  0.73 0.71 1.72 0.72             0.72 0.01  
 

Flow Rate  (gpm/ft.2)

                      
  154 147 150 154             151 3  
ASTM D4751 Apparent Opening Size  (U.S. standard sieve size)
Specimens were tested as directed in Test Method D4761.  Type of sieve shaker used is W.S. Tyler Rotap.

100-140 100-140 100-140 100-140 100-140           100-140 N/A  
ASTM D4751 Apparent Opening Size  (mm)
Specimens were tested as directed in Test Method D4751.  Type of sieve shaker used is W.S. Tyler Rotap.
    0.146 0.149 0.145 0.145 0.147           0.146 0.002  

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