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Summary: There is no universal temperature or speed for geomembrane welding: parameters must be fixed by trial welds on site, adjusted for air temperature, membrane thickness, machine model and overlap condition.
Weld quality decides whether a liner works. The most common site mistake is copying parameters from another project.
What a trial weld fixes
- Temperature window for the current air temperature and membrane thickness;
Production welding rules
- Overlap >=100 mm, clean and dry;
Hongyue provides welding parameter ranges and first-weld guidance with every order. Contact +86 181 6202 5999.
Written by the Hongyue technical team from plant practice and site experience; the current standard text governs. Contact +86 18162025999.