TH-090 Geotextile Synthetic Material Horizontal Permeability Tester

TH-080 Geotextile Synthetic Material Resistance to Static Water Pressure Tester

TH-22 new standard geotextile thickness gauge TH-060 geotextile thickness gauge

TH-080S Geotextile composite material permeability coefficient tester

TH-030 Geotextile Effective Aperture Measuring Instrument

TH-040 Geotextile dynamic perforation tester

TH-020 Geotextile permeability tester