Hi there, We are alpha testing a heat resistant thermoplastic polyurethane material that we are working on and I thought we would take this forum to share what what has been achieved to date. The base polymer is capable of withstanding 150 degrees c for 3000 + hours, however we would like to see whats capable with 3 d printed items. The following video displays a few tests conducted so far. Heat resistant TPU video If you have an item an idea or feedback to test this polymer please PM or post an stl. and we will see what can be achieved. [attachment 93601 marvinandhammercompressed.jpg] or check out my hub @ www.3dhubs.com 3 D flex's hub https://reprap.org/forum/read.php?184,765179,765179#msg-765179 Thu, 21 May 2026 00:54:54 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?184,765179,773759#msg-773759 https://reprap.org/forum/read.php?184,765179,773759#msg-773759
Happy to send a small sample for you to test and evaluate (say 10 - 20 meters ??).

Do you have a suitable extruder mechanism? It is flexible material (however it is easier to print with than say ninja flex of the same durometer) the filament has a diameter of approximately 2.85 mm (+ / - a bit as we are still playing with initial extrusion parameters and composition to tighten the specs).

The plan is launch a crowd funding campaign if interest keeps growing and then we will be able to supply 1.75 and 3 mm filament.

If interested PM your details.

Alternatively if you would like to order completed parts the easiest may be check out my hub.
3d Flex's hub



Arnold]]> Arnold Lane 1000 Polymer Working Group Sat, 17 Jun 2017 19:23:13 -0400 https://reprap.org/forum/read.php?184,765179,773714#msg-773714 https://reprap.org/forum/read.php?184,765179,773714#msg-773714 drmaestro Polymer Working Group Sat, 17 Jun 2017 09:28:54 -0400 https://reprap.org/forum/read.php?184,765179,773249#msg-773249 https://reprap.org/forum/read.php?184,765179,773249#msg-773249
As far as preliminary test would indicate the material can easily withstand 140 degrees c for four + hours, I have placed a printed item in a conventional oven at this temp for four hours with no issues, item remains unchanged, however please understand this is still alpha testing.

The shore hardness is presently 85A although we are working on supplying both harder and softer grades.

As far as support, we are currently trialing PVA which is proving successful as it supports but does not adhere to the TPU and can be dissolved away, however if item can be designed without support that is always preferable. A recent job which we can disclose was for a 'blow out bulb', in which we successfully printed thin walled curved surfaces of a sphere (which wobble very badly and 'lip up'), This item had to be air and water tight under pressure and hold heated water, the project was successful.

Blow Out Bulb

As far as printing parameters - It is as for most common polymer materials, hot end 210-230, heat bed 60, this is amazing material as while it can withstand 150 degrees it flows at +200.]]> Arnold Lane 1000 Polymer Working Group Tue, 13 Jun 2017 18:20:40 -0400 https://reprap.org/forum/read.php?184,765179,768585#msg-768585 https://reprap.org/forum/read.php?184,765179,768585#msg-768585 VDX Polymer Working Group Wed, 17 May 2017 14:30:50 -0400 https://reprap.org/forum/read.php?184,765179,768515#msg-768515 https://reprap.org/forum/read.php?184,765179,768515#msg-768515
I have a couple of questions. We are looking for a material solution to create 3D printed molds. These molds will be used to create models made with ballistic gel. Ballistic gel melts at around 140 C and has to be held at this temperature for 4 hours for the elimination of trapped air bubbles.Can your TPU material resist this treatment? What is the hardness of the material (it can be difficult to print supports with flexible materials if they are too soft, as the supports start to wobble on higher layers)? Do you have any idea about printing parameters (hotend and bed temperature)?

Thanks]]> drmaestro Polymer Working Group Wed, 17 May 2017 06:44:23 -0400 https://reprap.org/forum/read.php?184,765179,765179#msg-765179 https://reprap.org/forum/read.php?184,765179,765179#msg-765179
We are alpha testing a heat resistant thermoplastic polyurethane material that we are working on and I thought we would take this forum to share what what has been achieved to date.

The base polymer is capable of withstanding 150 degrees c for 3000 + hours, however we would like to see whats capable with 3 d printed items.

The following video displays a few tests conducted so far.

Heat resistant TPU video

If you have an item an idea or feedback to test this polymer please PM or post an stl. and we will see what can be achieved.


[attachment 93601 marvinandhammercompressed.jpg]

or check out my hub @ www.3dhubs.com
3 D flex's hub]]> Arnold Lane 1000 Polymer Working Group Sun, 30 Apr 2017 21:25:23 -0400