Beltech Silt Fence Specifications English | Metric

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Style Test Method 939 / 945 935 / 936 937 / 940 / 941 896 Typical Values
Widths (m) 0.61 0.91 1.22 0.91 0.61 0.91 1.22 0.61 0.91 1.07
Length (m) 91.4 91.4 91.4 91.4
Gross Weight (kg) 11.3 12.3 16.3 13.2 6.8 10.4 14.1 5.6 8.6 10.0
Area (m2) 56 84 111 84 56 84 111 56 84 98
Composition Polypropylene Polypropylene Polypropylene Polypropylene
Grab Tensile (kN)
Warp x Fill
ASTM D-4632 0.556 x 0.467 0.534 x 0.445 0.556 x 0.449 0.556 x 0.356
Elongation at Break (%)
Warp x Fill
ASTM D-4632 15 x 10 15 x 5 15 x 10 20 x 15
Wide Width (kN/m)
Warp x Fill
ASTM D-4595 NA NA NA 1.969 x 1.181
Elongation at Break (%)
Warp x Fill
ASTM D-4595 NA NA NA 10 x 10
Trap Tear (kN)
Warp x Fill
ASTM D-4533 0.245 x 0.245 N/A 0.245 x 0.245 N/A
Burst Strength (kPa) ASTM D-3786 2068 1207 2068/1551/2068 1724
Puncture Strength (kN) ASTM D-4833 0.289 N/A 0.289 N/A
A.O.S. (mm)(MAX) ASTM D-4751 0.600 0.600 0.600 0.840
Permittivity (sec-1) ASTM D-4491 0.100 NA 0.200 N/A
Coefficient of Permeability (cm/sec) ASTM D-4491 0.005 NA 0.100 N/A
Water Flow Rate (L/Sec/M2) ASTM D-4491 17 / 5.1 17 10.2 / 13.6 / 13.6 N/A
UV Resistance@500 Hours (%) ASTM D-4355 &
ASTM D-4632
70 70 70 85
Filter Efficiency (%) VA DOT VTM-51 -- -- 75 --
Slurry Flow Rate (gpm/ft2) VA DOT VTM-51 -- -- 0.200 --
AASHTO-M-288-NTPEP Tested -- -- Yes --
Color Black / Black+tape  Grey /Orange Black/Black/Orange Black
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