[scope of application]
It is used for the determination of geoographic film without embossing and ripples, flakes and other materials at different pressures and at the specified time, and can be tested for smooth geomembrane and other materials through different configurations.
[meet a criterion]
JTG E50、SLT235，GB/T 6672-2001
ASTM D5199 Standard test method for measuring the calibration thickness of geotextile and plastic film: smooth surface