26 - This PA ink nylon tube is resistant to MEK and other highly aggressive chemicals. The tube is plasticizer-free and reduces the risk of contamination of the inks. The exceptionally smooth inner surface slows down particulate build-up. This high quality black nylon tube can be used on all UV printers. This black nylon tube is specially developped to offer the best performance with UV inks. This 25m long tube has an inner diameter of 7.5 mm and an outer diameter is 4 mm.