ThermaX PEKK-C is the leading variety of PEKK in 3D printable form, using Arkema Kepstan PEKK. With exceptional mechanical abilities in a wide variety of temperatures, PEKK-C can withstand a number of testing & application environments. It is also amazing with chemical resistance, making it a great choice for industries like medical and manufacturing!

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0:00 - Intro

1:37 - What Industries Use This Material
2:13 - What Temps You Need to Print This
4:43 - Material Specifications
5:09 - Environmental Factors
6:38 - Example Parts
9:35 - Break Tests
11:21 - Burn Tests
15:37 - End

It’s important to note that ThermaX PEKK comes in two varieties: A and C. This type, PEKK-C, is “crystalline” which augments the mechanical properties associated, namely making PEKK-C a tougher/stronger material than its amorphous cousin.

PEKK-C is often seen in the medical industry. It can be used for tool production, invasive implants, testing devices, thanks to being serializable, medical component housings, test device housings, and more. In the Automotive industry, it’s used for brackets, linkages, spaces, and caps. In Aerospace, Boeing actually just certified it for use in in-flight parts, which is a HUGE step forward! In the Food industry, it can be used for plating, Tupperware, food-contact containers which can be reheated, and more.

WHAT KIND OF MACHINE DO YOU NEED TO PRINT THIS FILAMENT?
Print Temperature: 345-390°C
Bed Temperature: 110 - 120°C - for adhesive, our Nano Polymer Adhesive works great!
Chamber Temperature: 80-140°C

Drying: yes, you MUST dry this filament. Like almost every thermoplastic, this does need to be dried thoroughly before processing, which is the fancy word for melting.

In regards to drying, we’ve got an entire kit available on our site, including the vacuum chamber and ovens -- that’s basically all you need, so we put together the stuff WE use at OUR shop, so that you can do it just as easily as us. We also made METAL spools, so you don’t have to worry about melting or warping your spool when drying at high temps.

BASIC MATERIAL SPECS:
Heat Deflect Temp:139-143C
Glass Transition = 162°C
Melt Point = 335°C

Can be annealed as Highly recommended for increasing strength of the part, but it is not necessary given proper printing conditions. turns tan when annealed

For Tensile strength, you get around 3200MPa Tensile modulus with the un-filled spec, and 9560MPa with the carbon-fiber, both in ISO 527 standard testing, but keep in mind the way your part is designed and the orientation at which it’s printed will have a dramatic effect on strength. You’ll lose a certain percentage in the z-axis, depending how the part is printed.

This material handles UV rays very well, making it a good choice for outdoor applications for moderate lengths of time -- basically, it won't curl up or discolor.
Hydrolytic resistance is great, meaning you can use it in water without it breaking down

Let’s talk about some of the chemicals you can use it with: Gasoline: Good; Oil & hydrocarbons: Good; Acetone: Good; Chlorine: Good; Sulfuric Acid & Hydrochloric Acid: Good;

This is a highly insulative material, until you get the carbon fiber in there, which does take the surface resistivity up to 10^9, making it a static dissipative material.

PEKK does have Certifications for Bio-compatibility, and more and more are coming out with time, although you’ll need a certified grade if you’re going to implant it in someone…
It’s also similar to PEEK and ULTEM for Inherent flame resistance, with the UL94 V-0 FST rating. Food-safe and great for Sterilization, working well well in autoclaves and gamma radiation settings.

All data sheets are available on our online store, at visionminer.com/data, so you can find the tensile modulus, elongation, impact strength, and more.

Check out our other videos for the full comparisons!

At Vision Miner, we specialize in Functional 3D printing, especially high-performance plastics like PEEK, ULTEM, PPSU, PPS, CFPA, and more. If you're interested in using functional 3D printing and materials in your business, feel free to reach out, and we can help you make the right choice for your application.

Call 833-774-6863 or email contact@visionminer.com, and we're here to help!

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