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Bidim® C conductive non-woven geotextile is the world’s first commercial conductive non-woven geotextile. It is made in Australia and utilises an ultra-thin, carbon-derived conductive layer across the top surface, engineered to deliver superior electrical performance.
Standard Bidim C is manufactured using a combination of virgin PET and high-specification recycled PET. For projects requiring 100% virgin PET, it can be produced on request with minimal impact on lead times.
Bidim C has been designed to provide effective and economical leak detection means for designers and installers of geomembrane lining systems, including landfills, tailings dams, tanks, and potable water storage facilities.
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It enables leak detection surveys to be carried out using an electrical leak location technique known as Arc testing, providing reliable leak detection of holes and defects as small as 0.2 mm.
Using Bidim C mitigates the need for water compared to conventional leak detection surveys as the electrical circuit can be completed without relying on a wet subgrade. This technology is particularly efficient in dual lining applications and/or when installed below the primary liner and above a geocomposite layer that separates the subgrade from the liner.
Spark or arc testing can be conducted to the American Society for Testing & Materials (ASTM) Standardised Specification D7953 at as low as 1kV.
WHY CHOOSE BIDIM C?
- An effective and economical leak detection means for geomembrane lining systems
- A strong three-dimensional structure with high elongation, providing excellent filtration and acting as a cushion to the subgrade
- Easy installation with no heavy machinery, equipment or special skills required
- Durability with a high melting point and high UV resistance thanks to Bidim polyester properties
Applications
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