1680 North Main Street
Orange, CA 92867
Phone: (714) 283-2032
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Below is a list of Geosynthetics tests currently offered by CRT. These tests are performed in accordance with American Society for Testing and Materials (ASTM), and Geosynthetics Research Institute (GRI) requirements.
If the test you need is not listed, please fill out our Guest Book or contact us to discuss your project.
Geomembrane testing is used to quantify the performance of HDPE and other sheet membrane materials.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| Accelerated Weathering Testing (QUV) | ASTM G 53 | call | call |
| Bonded Shear Strength | ASTM D 4437 | 5 | 12" x 12"+ |
| Breaking Strength | ASTM D 882 | 10 | 12" x 12"+ |
| Brittleness Temperature (°C) | ASTM D 746 | call | 6" x 6" |
| Brittleness Temperature (°C) | ASTM D 1790 | call | 12" x 12"+ |
| Carbon Black Content (%) | ASTM D 1603 | 3 | 3 sq. in. |
| Carbon Black Dispersion | ASTM D 3015 | 5 | 2 sq. in. |
| Chemical Resistance of Geosynthetics to Liquids | ASTM D 5322 | call | call |
| Coated Fabrics @ Low- Temperature Bend | ASTM D 2136e1 | call | call |
| Coefficient of Friction by Direct Shear | ASTM D 5321 | 1 | 10 gal. soil |
| Density (g/cm3) | ASTM D 792(A) | 3 | 6 sq. in. |
| Deterioration Resistance to Surface Ozone | ASTM D 1149 | call | call |
| Environmental Stress Crack Resistance | ASTM D 1693 | 10 | 12" x 12"+ |
| Full Series Tensile (MD) | ASTM D 638/NSF Mod. | 5 | 12" x 12"+ |
| Full Series Tensile (Transv.) | ASTM D 638/NSF Mod. | 5 | 12" x 12"+ |
| Hydrostatic Resistance | ASTM D 751 | 5 | 3" x 18" |
| Linear Dimension Change @ Elevated Temperature | ASTM D 1204 | call | call |
| Melt Index (g/10 min) | ASTM D 1238 | 3 | 6 sq. in. |
| Peel & Shear Strength (PVC) | ASTM D 3083/NSF 54 Mod. | 5 & 5 | 24" x 24" |
| Peel Strength, PE (single-trac welds) | ASTM D 4437/NSF Mod. | 5 | 12" x 12"+ |
| Peel Strength, PE (double-trac welds) | ASTM D 4437/NSF mod. | 10 | 12" x 12"+ |
| Puncture Resistance | FTMS 101C, Method 2065 | 5 | 4" x 12" |
| Shore Hardness | ASTM D 2240 | 5 | 6 sq. in. |
| Soil Burial (HDPE, VLDPE) | ASTM D 3083 | 10 | 12" x 12"+ |
| Soil Burial (PVC, CSPE) | ASTM D 3083 | 10 | 12" x 12"+ |
| Wide Strip Tensile | ASTM D 4885 | call | call |
| Tear Resistance (MD) | ASTM D 1004 | 10 | 12" x 12"+ |
| Tear Resistance (Transv.) | ASTM D 1004 | 10 | 12" x 12"+ |
| Thickness | ASTM D 1593 | 5 | 6 sq. in. |
| Tongue Tear Strength | ASTM D 751/NSF Mod. | 10 | 17" x 40"+ |
| Volatile Loss | ASTM D 1203 | 3 | 4" x 9" |
| Water Absorption of Plastics | ASTM D 570 | 5 | 7" x 7" |
| Water Extraction | ASTM D 3083 | 3 | 2" x 6" |
Geotextile testing measures and qualifies the capabilities of textiles used in landscaping functions.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| Abrasion Resistance for Geotextiles | ASTM D 4886 | call | call |
| Apparent Opening Size | ASTM D 4751 | 5 | 2 sq. yds. |
| Burst Strength | ASTM D 3786 | 10 | 3 sq. ft. |
| Carbon Black Content (%) | ASTM D 1603 | 3 | 3 sq. in. |
| Carbon Black Content (%) | ASTM D 4218 | 2 | 6 sq. in. |
| Compressive Properties (cellular) | ASTM D 1621 | 3 | 12 sq. in. |
| Grab Strength | ASTM D 4632 | 10 | 1 sq. yd. |
| ID, Storage & Handling | ASTM D 4873 | call | call |
| Mass per Unit Area | ASTM D 3776 | 5 | 2 sq. ft. |
| Mass per Unit Area | ASTM D 5261 | 7 | 2 sq. ft. |
| Nominal Thickness | ASTM D 5199 | 5 | call |
| Permittivity | ASTM D 4491 | 4 | 2 sq. ft. |
| Puncture Strength | ASTM D 4833 | 10 | 3 sq. ft. |
| Seam Strength | ASTM D 4884 | 5 | 4 ft. seam |
| Temperature Stability of Geotextiles | ASTM D 4594 | call | call |
| Thickness Measurements | ASTM D 1777e1 | call | call |
| Trapezoidal Tear Strength | ASTM D 4533 | 10 | 1 sq. yd. |
| Wide Width Tensile | ASTM D 4595 | 10 | 2 sq. yds. |
| Xenon-Arc Exposure to Geotextiles | ASTM D 4355 | call | call |
Geonet testing provides information on the capabilities of Geonet materials.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| CBR Puncture Resistance | GRI GS. | 5 | 12" x 48"+ |
| Compression Behavior | GRI GN. | 5 | 8" x 48"+ |
| Density (g/cm3) | ASTM D 792(A) | 3 | 6 sq. in. |
| Moisture Content % | ASTM D 4643 | 2 | 12 sq. in. |
| Moisture Content | CRT Method | 2 | 12 sq. in. |
| Mass per Unit Area | ASTM D 3776 | 5 | 2 sq. ft. |
| Strip Tensile Strength (MD) | ASTM D 5035 | 5 | 12" x 12"+ |
| Strip Tensile Strength (Transv.) | ASTM D 5035 | 5 | 12" x 12"+ |
| Transmissivity (single load) | ASTM D 4716 | 1 | 18" x 18" |
| Transmissivity (mult load + gradient) | ASTM D 4716 | 1 | 24" x 24" |
| Transmissivity (common loads per spec.) | ASTM D 4716 | 1 | 60" x 60" |
| Ply Adhesion | ASTM F 904 | 5 | 24 sq. in. |
The following table lists testing offered for Geonet materials.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| Density (g/cm3) | ASTM D 792(A) | 3 | 6 sq. in. |
| Node Strength | GRI GG. | 5 | 1 sq. ft. |
| Rib Strength | GRI GG. | 5 | 1 sq. ft. |
| Wide Width Tensile | ASTM D 4595 | 5 | 2 sq. yds. |
The following Geopipe tests available. Geopipe tests are preformed on plastic pipe used primarily for landfill, landscaping, and similar functions.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| Apparent Tensile Strength | ASTM F 1412 | 5 | 20 in. |
| Carbon Black Content (%) | ASTM D 1603 | 3 | 3 in. |
| Carbon Black Dispersion | ASTM D 3015 | 1 | 150 gms |
| Chemical Resistance of Apparent Tensile | ASTM F 1412/D 543-87 | 30 | call |
| Crystallinity by DSC (as received) |
ASTM D 3418e1 | 1 | 1 sq. in. |
| Crystallinity by DSC (as achieved) |
ASTM D 3418e1 | 1 | 1 sq. in. |
| Density (g/cm3) | ASTM D 792(A) | 3 | 6 sq. in. |
| Drop Impact @ 0°C | ASTM D 2444 | 10 | 75 in.+ |
| Drop Impact @ 23°C | ASTM D 2444 | 10 | 75 in.+ |
| Full Series Dimensional Compliance | ASTM D 2122/CRT Mod. | 5 | 48 in.+ |
| Fusion Joint Analysis | ASTM D 1598 | 3 | 110 in.+ |
| Hydrostatic Burst Pressure (23°C) | ASTM D 1599e1 | 3-5 | 175 in.+ |
| Hydrostatic Burst Pressure (82°C) | ASTM D 1599e1 | 3-5 | 175 in.+ |
| Joint Pull-Out Resistance | ASTM F 1412 | 5 | call |
| Linear Load using Parallel Plates | ASTM D 2412 | 3 | 24 in. |
| Melt Index (g/10 min) | ASTM D 1238 | 3 | 6 sq. in. |
| Pipe Stiffness @ Deflection (%) |
ASTM D 2412 | 3 | 24 in. |
| Ring Tensile for PE & PP Pipes | ASTM D 2239 | 5 ea. chem. | call |
| Sustained Pressure (23°C) | ASTM D 1598 | 6 | 250 in.+ |
| Sustained Pressure (82°C) | ASTM D 1598 | 6 | 250 in.+ |
| Tup Puncture Resistance on PE Pipe | ASTM/CRT Mod. | 3 | 110 in.+ |
| Water Absorption of Plastics | ASTM D 570e1 | 5 | 7" x 7" |
The following is a list of specialty tests not used specifically with any one product.
| Test | Test Method | No. Specimens | Amt. Needed |
|---|---|---|---|
| EPA Method 9090a Chemical Compatibility | All Methods | call | call |
| Qualification of PE Fusion Joints | ASTM F 905 | - | call |
| Thermal Analysis (DSC) Crystallinity | ASTM D 3418 | 1 | 1 sq. in. |
| Cell Classification of PE Pipe & Compounds | ASTM D 3350 | call | call |
Should you need additional information about CRT Laboratories' Geotextile testing capabilities please contact us via our RFQ Form or call us at (714) 283-2032.