PVC Technical Information

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Dual-Track Thermal Welding & Air Channel Testing
                                            vs
      Single-Track Wedge Welding and Air Lance Testing

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Frequently Asked Questions:

PVC Frequently Asked Questions  
UltraTech Frequently Asked Question

Why 30 mil PVC is equivalent to 60 mil HDPE
5 Questions for Andre Rollin:  Functional PVC Geomembranes
Waves, Wrinkles, Folds...
Folds in PVC Geomembranes
Unfolding PVC liners

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PVC Technical Papers

EPI Published Papers
PVC Durability Papers
Plasticizer Retention
Air Channel Testing PVC

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Here is more technical information about EPI's geomembranes:

PVC Geomembrane Material Specifications
25 Year Old 10 Mil PVC
30 Year Old 20 mil PVC MSU W.R. Kellogg Biological Research Station 
FREE EPI Spec.File Software
Friction Angle Testing Reports
Minimum Thickness
PVC Longevity
Sweet Cherry Processing
Stock Liner Sizes
Typical Installations
Unfolding PVC liners
Underwater PVC Placement 
EPI Solutions Documents  
Detail Drawings 
Measuring Ponds
Thermal Welding
Thermal Welding Temperatures
Welding New PVC to Existing PVC
Wolschon Accelerated Peel Testing

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EPI  Quality Control Manual

Scope

In-Factory Quality Control

Shipping & Handling

Field Installation Procedures
Construction Quality Control

Safety Policy

References

Appendix A