Model: GT-NCTL

Standards

CJ/T234-2006  Appendix C regulations

GBT17643-2011 Appendix D

ASTM D5397

This instrument is used to evaluate the stress cracking resistance of polyolefin geomembrane by the notch constant load tensile test(NCTL) method. Mainly applicable to geomembrane for waste landfills. Geomembrane is a kind of waterproof barrier material based on polymer, such as polyethylene (PE) geomembrane, polyvinyl chloride (PVC) geomembrane, chlorinated polyethylene (CPE) geomembrane and various composite geomembranes etc.

 

Features

1. Nice appearance, complete functions and high degree of automation
2. Touch screen display, Chinese operation interface, simple menu prompt operation
3. The control system is controlled by Delta PLC, Delta temperature controller and Xinje touch screen. Achieve separate timing of each rack, each group of 3 racks, each group can be loaded with a different yield stress; the test constant temperature water bath automatically controls the temperature and automatically rises; the loading quality of each group is automatically calculated; provides two methods of timing determination method and damage time determination method; And after the test is completed, the rupture time and average rupture time of each sample in each stress section can be consulted at any time to facilitate the analysis and judgment of the results.
4. The sample frame body is made of stainless steel, which is not easy to rust.
5. The constant temperature medium box has high constant temperature accuracy and is equipped with a circulating pump to ensure the uniform temperature of the test medium and improve the accuracy of the test.

 

Specifications

1. The maximum load capacity of a single lever: ≤5kg
2. Lever ratio: 1:3
3. Applicable geomembrane thickness: 0.75-3mm
4. Number of sample channels: 30 racks (≤30 racks can be ordered according to user needs)
5. Temperature control range: room temperature -70℃
6. PID automatic control of temperature module
7. Temperature control accuracy: ±1℃
8. Timing accuracy: 1s
9. Display mode: touch screen
10. Inner tank size: L1200×W150×H300mm

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