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EGA 20

EGA 30

Envirogrid EGA GeoCell

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EnviroGrid® EGA 30 is a three-dimensional cellular confinement system that provides confinement and reinforcement to granular material for
load support erosion control, slope protection and retaining wall applications.

EnviroGrid® EGA 30 sections are manufactured from 58 strips of HDPE, resulting in a section length of 29 cells. Each strip is the approved width and 142 inches (3.6m) in length.

Detailed Overview
EGA 30 General Application(s):
Permanent Erosion Control
Retention/Detention Pond
Separation & Stabilization
Property Test Method English Metric
Cell Depth4 Cell Depths Available Measured 3 , 4 , 6 , 8 inches 75 , 100 , 150 , 200 mm
Expanded Cell Size (length x width)Nominal Measured 12.6 x 11.3 inches 320 x 287 mm
Expanded Cell AreaNominal Measured 71.3 in 460 cm
Expanded Section AreaNominal Measured 230 f² 21.4 m²
Expanded Section Size (width x length)Maximum Measured 7.6 x 30 ft 2.3 x 9.1 m
Expanded Section Size (width x length)Minimum Measured 9.2 x 24.8 ft 2.8 x 7.6 m
Expanded Section Size (width x length)Nominal Measured 8.4 x 27.4 ft 2.56 x 8.35 m
Seam Peel StrengthMinimum (>) 80 lbf/in 142 N/cm
Seam Peel Strength(1)Long Term See Notes 160 lb 710 N
Internal Junction Efficiency(2)(>) See Notes 100 % 100 %
Mechanical Junction Efficiency(2)(>) See Notes 100 % 100 %
Peak Friction Angle Ratio(3) 0.95 0.95
Environmental Stress Crack Resistance ASTM D-1693 5,000 hours
Oxidation Resistance(5)(>) EN ISO 13438 100 years
Weathering Resistance(6) EN ISO 12224 100 %
Polymer Density ASTM D-1505 0.935 x 0.965 lb/ft³ 0.935 x 0.965 g/cm³
Flexural Storage Modulus(>) ISO 6721 750 MPA 750 MPA
Carbon Black Content(4) ASTM D-1603 1.5 - 2 % 1.5 - 2 %
Texture DensityShape: Romboidal 22 - 31 indentations /cm² 22 - 31 indentations /cm²
Sheet Thickness (before/after texturing) ASTM D-5199 50 - 60 mils (-5% +10%) 1.27 - 1.52 mm (-5% +10%)

(1) A 4" (100mm) wide seam sample shall support a 160lb (72.5kg)load for a period of 7 days minimum in a temperature-controlled environment undergoing a temperature change on a 10 hour cycle from ambient room to 130°F (54°C). Ambient room temperature per ASTM E 41.
(2) Junction efficiency determined as a percentage of junction performance (EN ISO 13426-1) to perforated strip performance (EN ISO 10319).
(3) Value for clean granular infill material.
(4) Standard black HDPE strips. For tan/green EnviroGrid®, hindered amine light stabilizer (HALS) content will be 2.0% by weight of carrier.
(5) Predicted to be durable for a minimum of 100 years in natural soil with a pH between 4 and 9 and at soil temperature <25°C. Testing was conducted at 100°C.
(6)100% of original tensile strength retained following exposure to intense UV radiation and accelerated weathering in accordance with EN 12224.

This information is provided for reference only and is not intended as a warranty or guarantee. US Fabrics assumes no liability in connection with the use of this information.
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