PU flexible duct is made from PU polyurethane, with specifications from 25-300mm, 10-15 meters for each,wall thickness 0.4mm*1.2mm for optional,workabe temperature range from -40 °C to +90°C,working pressure 450mm WG,wind speed 35m/s,it is applied to industrial dust smoke,exhaust,dust removal equipmet,etc
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