TGS is currently accredited for various geotextile and geosynthetic clay liner (GCL) tests to Australian and international standards with the aim to expand testing capability into geomembranes and geocomposites. TGS services also include general product testing as well as product development services through their extensive experience working with both local and overseas manufacturers to ensure all customer or standard requirements are met. Please contact us for pricing or to discuss your project requirements.

NATA Accredited Tests

Geotextile Tests

Mass per Unit Area – AS 3706.1/AS 2001.2.13

Thickness – AS 3706.1/AS 2001.2.15

Grab Strength – AS 3706.2 Method B

Tensile Strength – AS 3706.2 Method A

Trapezoid Tear Strength – AS 3706.3

Burst Strength (CBR) – AS 3706.4

Drop Cone Puncture Resistance – AS 3706.5

Seam Strength – AS 3706.6

Pore Size (EOS) – AS 3706.7

Water Permittivity – AS 3706.9

Robustness G Rating – Austroads Guide 4G

Geosynthetic Clay Liner (GCL) Tests

Bentonite Swell Index – ASTM D5890

Mass per Unit Area – ASTM D5993

Peel Bond Strength – ASTM D6496

Tensile Strength – ASTM D6768

General Testing Services

  • General Tensile/Compression/Mechanical
    Testing (up to 30kN)
  • FTIR Analysis (polyolefins)
  • QUV Accelerated Weathering
  • Sieve Analysis
  • Moisture Content/Oven Ageing
  • Mass/Dimensional Measurement
  • Custom Projects


* only tests to standards listed in the scope of accreditation are certified by NATA. Please refer to the NATA website for
new updates to our scope.