PEEK coating very small objects: promising custom solution

Summary for peek coating very small objects Discussion

PEEK coating very small objects is discussed as a specialized process for tiny tubing and narrow bores. Jan Peene asked whether 5 mm-long tubing with about 1.6 mm OD could be coated outside with roughly 5 micron PEEK, and whether 25 cm tubing with 1-5 mm ID could be coated inside with 10-20 micron PEEK. Ted Mooney replied that, to his limited knowledge, PEEK coatings are available both as powders in a good range of sieve sizes and as wet sprayable coatings. He said that if production volume is high enough, it may be possible to build a custom wet coating system or a fluidized powder bed for the outside diameters, and that a custom vibratory feeder system with closely spaced pins on a chain could be used to handle the parts. The answer emphasizes feasibility depends heavily on volume and custom equipment.