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Source of bowden tube

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I'm looking to replace my bowden tube. I have one of the older heads and despite all efforts every 20 hours of printing at 200mm/s bowden tube is poping out. I suspect that the blue-white thingy has weared by now and I plan to replace it by custom solution.

In the meantime constant cutting of few milimeters off the tube left it almost too short. I would like to buy replacement before it really is too short to work.

Do you know any place (preferably in Europe) that sells low quantities of PTFE tubing? There is no problem to buy 10 meters of it but I can't find anybody who could sell, say, 1 meter.

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I don't have any direct sources for Europe, but you should be able to find it in speciality water supply stores, since it is used for water supplies in consumer devices, and other industrial applications. you need 1/4inch outer diameter, and 1/8inch inner diameter, and the retainer clips come from push fittings, that are sold in the same store, since they are going together.

good luck

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Just so you know, the tube is PFA not PTFE, PFA has a higher melting point than PTFE.

PTFT and PFA have about the same rating, but PTFT is cheaper, and silicone is even cheaper. hardness is a much more important factor.

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