Heavy Duty Polyurethane Superflex 5 or 10m lengths (+/- 3% tolerance) Description: A copper plated steel, blue coloured spiral helix covered with PU/ester trapped between two layers of crystal clear polyurethane. A heavier duty flexible ducting with good chemical resistance. Please check out our YouTube video on differences between Blue Spiral and PU: Application: Ideally suited for the transfer of abrasive dust and large granular particles such as woodwaste & general industrial and agricultural applications The diameter is the internal measurement. Sizes range from 50mm to 300mm. Including 140mm Please allow approx. 3 days delivery for larger sized diameters Left hand helix - (Anti-Clockwise) Specification - See images for Specification table Ozone & UV Resistant Temperature: -40°C to +90°C (max. 125°C for short periods) If you have any questions about this product or if you do not find what you are looking for please feel free to call us on 03456 800 696 and we will be happy to help.
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