Beltech Silt Fence Specifications Metric
 
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 0.222 x 0.222/
0.245 x 0.245/
0.245 x 0.245		 N/A
Burst Strength (kPa) ASTM D-3786 2068 1207 2068/1551/1551 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 70
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

The foregoing is believed to be an accurate representation of information compiled from our in house testing lab and external testing laboratories. However, because test values, statistical data and other information presented may be based solely on results of unverified tests made on random samples, information presented may relate only to tested samples and because the conditions in which such information may be used are beyond the control of Belton Industries, Inc., Belton does not guarantee either the accuracy or reliability of the information or the suggestions and recommendations contained herein. Belton assumes no responsibility of the use of information presented herein and hereby disclaims all liabilities which may arise in connection with the use of information herein presented. All specifications, properties, values, statistical data and application listed herein are provided as information only, with out charge or obligation to the recipient or user, and in no way either makes or creates any warranty with respect to any product or modifies, amends or enlarges any warranty made with respect to any product. Final determination of the suitability, reliability and accuracy of the information and suggested uses is the sole responsibility of the user.