Natural Engineering Plastic PET Rod - 10mm To 60mm


Price:
Sale price£10.26

Description

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PET Rod:

  • PET rod is one of those great engineering plastics that possesses the attributes and performance of nylon rod and also combines with the easy machine ability of acetal rod but manages to slip under the radar for most engineers.

Mechanical Properties of PET Rod:

  • The data sheet tells us its around 30% stronger than acetal, its also around 25% more rigid. It not also has a better working temperature but its expansion rate is much lower. Expansion due to moisture absorption is also incredibly low, some 60% better than even Acetal.

PET Rod Machinable:

  • We’re told it machines much better than the Nylons and apparently comparable with Acetal, which we know is a big reason why Acetal is very popular.

PET Rod Suitable For Food Contact:

  • Yes this material has an FDA approval so its compatible with food contact applications.

PET Rod Wear Resistant:

  • PET rod will certainly outlast acetal in abrasive conditions and it’s at least as good if not better than nylon in some environments.

PET Rod Low In Friction:

  • PET rod typically has a low friction and because it is a very hard engineering plastic, its is classed as being very slippery.

Disadvantages of PET Rod:

  • Firstly the size range is a bit limited for the time being with only 10, 16, 20, 25, 30, 40, 50 & 60mm diameters available and although black can be ordered from the factory on a special order, its white only for the moment.
  • The other one is price, it’s around +40% more than acetal, its also not suitable for hot water applications which reach over sixty degrees centigrade.

PET Rod compare to Acetal:

  • It machines almost as well
  • It’s over 30% stronger
  • It’s around 25% more rigid
  • 10 degrees better short term working temperature and 30 degrees better long term
  • Has a 25% lower thermal expansion rate
  • 60% less moisture absorption
  • Has a similar coefficient of friction
  • Has a much better wear resistance
  • Is approx 40% more expensive

PET Rod compare to Nylon 66:

  • PET machines much better than nylon
  • A similar or better surface finish
  • It’s 8% stronger
  • Also 10% more rigid
  • Has a 10 degree advantage for the short term working temperature
  • With 50% lower thermal expansion rate
  • Massive 10x (ten times) less moisture absorption
  • Has a similar coefficient of friction
  • As good if not better wear resistance
  • Is approx 50% more expensive
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