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Best LLDPE Geomembrane Manufacturer

2025-09-19 23:21

The properties differences between HDPE geomembrane and LLDPE geomembrane are as follows:

PropertiesTest MethodTest Value-GM13 1.0mm


HDPE geomembrane

Test Value-GM17 1.0mm


LLDPE geomembrane

Tensile properties- Break elongationASTM D6693700%800%
Puncutre ResistanceASTM D4833320N250N
Tear resistanceASTM D1004125N100N
Oven aging at 85℃- Standard OIT(min.ave.)-% retained after 90 daysASTM D389555%35%
UV resistance- Standard OIT (min.ave.)-%ASTM D389550%35%

The break elongation of LLDPE is higher than that of HDPE, which proves that its flexibility in the practical application of landfill capping is better than that of HDPE, and it is more adaptable to uneven settlement in the landfill than HDPE. In terms of design and application, it is also safer.

The stress crack resistance of LLDPE geomembrane is better than HDPE geomembrane, because LLDPE geomembrane has lower density and better flexibility, so there will be no environmental stress cracking resistance problem. For this reason, in the standard of GRI GM17 of LLDPE geomembrane, the indicator of stress cracking resistance is not even included in the indicator category.

In other properties, such as puncutre resistance, tear resistance, oven aging and UV resistance, HDPE geomembrane is better than LLDPE geomembrane.

LLDPE Geomembrane Manufacturer


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