PET-P (Polyethylene Terephthalate Polyester) is a thermoplastic polyester, commonly referred to as just Polyester. With good dimensional stability, electrical properties, high strength, low water absorption, and good chemical resistance (with the exception of alkalis), PET-P offers a greater acidic resistance and stain resistance than Nylon or Acetal.
Applying PET-P reduces the need for heavy lubrication, making the material useful for manifolds, distribution valves and pistons. PET-P is also lightweight and is widely used for packaging material, electrical insulation and coatings.
While PET-P can be provided in FDA compliant grades, it should not be used for continuous use in hot water.
A wide range of extruded and compression molded shapes and sizes are available for machining. Some processing challenges may arise due to the uneven sizing of the rod diameter and plate thickness.