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Thread: Primoflex vs Dreamflex tubing

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    Default Primoflex vs Dreamflex tubing

    My question is Primochill's Primoflex tubing any relation to the dreamflex tubing DD used? Looks similar and is the same thickness but without using it I wouldn't know.

    When Danger Den closed shop I picked up some Dreamflex tubing from them and it was the best random decision I'd ever done. Up until then I used the cheap PVC from any hardware store. The cheap stuff kinks, discolors, but most of all has an amazingly high evap rate. The evap rate and sealing on the dreamflex tubing is so good that instead of topping off the system every year it could last >3 years without needing to have water added. It will also bend much better and doesn't discolor or harden with age.

    Unfortunately I will need to find a replacement supply. Is the primoflex stuff any relation, or has anyone used both it and the dreamflex tubing to make a comparison?

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    Default Re: Primoflex vs Dreamflex tubing

    You can still purchase Dreamflex from Performance PCs. I had used Dreamflex for several years, and decided to give the Primochill a try. I still had some Dreamflex on hand when the Primochill arrived, and I found the Dreamflex better to work with, and able to make tighter bends without kinking. The other thing about the Dreamflex that I loved is the outside finish - very easy to use with compression fittings, while the Primochill "sticks" when you are tightening and can turn with the fitting. I also never had any plasticizer issues with Dreamflex, but I did always change it yearly. I have since switched to Tygon Norprene, but if I was going back to a plastic, it would be Dreamflex.

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    Default Re: Primoflex vs Dreamflex tubing

    Thanks for the reply Ciarlatano! I had missed that site. The outside finish on the black UV doesn't look quite the same (the stuff I have looks purple under a camera flash) but they package it at the same length as DD's value packs, 9.8 feet / 3 meter cuts so I think you're right.

    The tubing is as flexible as the day I installed it three years ago, not had any plasticizer issues with it. Was another reason I want the same stuff, yet not six year old stock of DangerDen kit that some sites are still selling!

    That norprene tubing looks interesting, though it still listed as a thermoplastic elastomer that uses some plasticizer, just none used at the inner lining apparently. Wish I could find what the D570 water absorption rating was for DD's Dreamflex, Norprene is 0.30 and looks like basic hardware store vinyl tubing is ranges somewhere in 0.30-0.60? Duralene is 0.24, and Tygon E-3603 is rated at 0.21...

    How well does Tygon's Norprene seal and flex compared to the higher plastic stuff like DD's dreamflex? I don't like the D570 rating but it looks really good otherwise.

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    Default Re: Primoflex vs Dreamflex tubing

    I was using the black UV from both DD and PPCs. Same tubing, identical under UV.

    The Tygon I am referring to is the A-60 (http://www.usplastic.com/catalog/fil...rpreneA60G.pdf). Rated at .30, no idea what Dreamflex is rated at, but I can tell you that I haven't had to top off with the A-60, but always did with the Dreamflex.

    I can't really comment as far as bends. When I went to the Tygon I changed my layout and all of my tubing is straight runs using angled fittings. No issues with using with Monsoon and EK fittings (unlike EK ZMT).

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    Default Re: Primoflex vs Dreamflex tubing

    Yeah, was reading about it. Swiftech apparently began using it in 2007 and swears by it. FrozenCPU has it amongst a lot of other options, and Grainger sells it in 50 ft rolls. https://www.curbellplastics.com/Rese...tic-Properties has a nice table on the general plastics for comparison purposes.

    Again thanks for the info on ModMyToys! If I can find the A-60 Norprene locally I might get some to try out, but since the DD dreamflex stuff has been perfect I'm not easily inclined to change it!

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