The problem with manufacturers is that they often want to keep any improvements secret. If there are no relevant issues involved, they are very reluctant to publish their stories, and in the world of AIO the patent tubes are not their own.
So, in tech books almost no brand offers details of this, but luckily here we will reveal everything they want to hide.
The material for which the AIO tubes are made
At first it may seem like a huge amount of materials and that's why there is so much mystery, but the problem is simple and at the same time more complicated, and we define ourselves.
Currently, all manufacturers prefer to use only two materials in their tubes: propylene-ethylene or heated FEP and the standard isoprene polymer as the rubber method. The difficulty with which the R&D of this category is designed is not TB itself, but internal or external adhesion and here is the whole problem.
No company specifies such covers, but we know for sure that it all comes from the availability of used oil and the preparation of the liquid they have to store.
Ethylene soft ethylene or FEP
FEP is a Copolymer that combines hexafluoropropylene and tetrafluoroethylene with a very high needle. Fires 260 ºC and as a rule it is very visible and resistant, or in the sun.
The advantage it has for AIOs is that it is completely insoluble in any glycol or solvent and keeps it in its proper condition without deteriorating, making it a very suitable tube for some manufacturers to use in excess.
In addition, it h as a very high corrosion resistance, making it very smooth and very few, even when it is text. dielectric
Isoprene polymers: tubes
They are from latex, those who work in the refrigeration industry of AIO refrigeration are not natural, but they are made, because some combination of ingredients is needed to give them great beauty.
This type of rubber is commonly referred to as synthetic polypoprene and can withstand up to 20 degrees 80 ºC. Like a good bar, it is extremely flexible, tolerates great pressure, has good electrical properties, wear, impact and abrasion resistance, but does not like sunlight.
It also supports water, ketones and alcohols well, making it ideal for the industry. To conclude, it must be said that its capillary action is low, but not as good as that of FEP, because to achieve its flexibility, atomic chains are much longer and allow for more capillary action.
For this reason, manufacturers often incorporate a series of covers or layers that allow for a better water seal.
Cut out, a distraction without more practicality than aesthetics
Many current AIOs do not leave the tube visible to the user, but they use it using a variety of sleeve and the temperature decreases. This does not provide any real benefit to the tube, but as a rule it can either be removable (depending on the case) or it is uncomfortable and provides excellent premium touches.
This cover is what the user touches when they reach the tube itself, leaving the original equipment underneath. Previously this did not happen and the tube was touched, which was also sealed to prevent leakage.
But right now this is hard to see in today's AIOs (not impossible, some keep it up), mainly because beauty enhancements are obvious and secondarily because they're cheaper for the manufacturer.
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