AMS Spring 2023

CRP Unveils Flame-Retardant Composite SLS Material

Inkbit

Share this Article

CRP Technology has introduced the latest in its line of specialty polymers for selective laser sintering (SLS) 3D printing. Windform FR2 is the most recent material from the company’s TOP-LINE series of composites for SLS.

FR2 is a flame-retardant (hence the “FR”), halogen-free nylon powder reinforced with glass fiber, giving it electrically insulating properties. Demonstrating its capabilities, Windform FR2 passed a number of tests, including the FAR 25.853 12-second vertical and 15-second horizontal flammability tests, the  45° Bunsen burner test, and the Smoke Density Test.

A 3D printed battery cell holder.

This flame-retardant quality—in addition to its electrical insulation and good wear and temperature resistance—make the material suitable for some aerospace applications, in which regulations require a certain level of flame retardance. Additionally, it may be used for the 3D printing of automotive parts, such as casings for electrical and electronic components, and consumer goods, such as lighting or appliance components.

Windform FR2 is a follow-up to CRP’s Windform FR1, released just six months ago. While FR1 also demonstrates flame retardancy, it is reinforced with carbon fiber and does not exhibit the same electrical insulation. FR2 also offers a smoother surface finish.

Windform FR1 is black and reinforced with carbon fiber. Here is has been used to 3D print piping for an air conditioning system.

CRP pursued the development of these materials upon determining that, while flame retardant polymers were being released to the additive manufacturing market, they did not have the same mechanical properties as the composites in which CRP specializes.

“CRP Technology constantly produces technological breakthroughs and highest-level solutions,” said Franco Cevolini, VP and CTO at CRP Technology. “Only a few months ago we launched Windform® FR1, flame retardant carbon fiber reinforced material. Now we introduced Windform® FR2, a flame-retardant material which is glass fiber reinforced. Flame retardants are not new to the 3D printing market but flame-retardant materials which were also reinforced and presenting significant mechanical properties, lacked. We at CRP Technology were the first to fill this void; we have created not only the first material of its kind, but now two. In order invent these materials, we must anticipate, intercept and satisfy the requests of the most demanding and innovative industrial sectors.”

CRP Technology has already made itself known in for its carbon fiber-reinforced polyamide, with which it has demonstrated a number of use cases particularly in the aerospace and automotive sectors, as well as some more niche applications like drones and golf clubs. However, the company is more than a 3D printing materials developer and service bureau. It is actually one division of the larger CRP Group, which began as a CNC service provider.

Because there are fewer material suppliers for SLS compared to other AM technologies, CRP stands out as a niche company. However, it is up against some very large names as giant chemical companies enter the market. BASF, for instance, is the largest chemical company in the world and has been making significant headway in AM via acquisitions, partnerships and investments over the past five years or so.

Share this Article


Recent News

3D Printing News Unpeeled: Impossible Objects, Soft Tissue Bitmaps and Aerorise

Rocket Lab Launches First Vehicle from U.S. Soil



Categories

3D Design

3D Printed Art

3D Printed Food

3D Printed Guns


You May Also Like

Entire Nanosatellite 3D Printed within Single nScrypt 3D Printer

Under a Small Business Innovation Research (SBIR) Phase II research grant with the Space Force, Sciperio relied on 3D printers from its sister company nScrypt to make small six unit...

NASA’s Breakthrough 2022: Artemis, 3D Printed Spacesuits and New Metal Alloys

With a dedicated multitude of followers worldwide and hundreds of thousands of people flocking to the Space Coast to see Artemis I launch on a 26-day mission around the Moon,...

Featured

Startup Accelerator: The 10 Most Active VCs in 3D Printing

The startup scene in 3D printing may be small compared to tech at large, but, as additive manufacturing (AM) increases in quality and importance, the number of firms to enter...

NASA Awards TROPICS CubeSat Mission to Rocket Lab

Spacecraft manufacturer Rocket Lab (Nasdaq: RKLB) has more big plans for the company as it expands its US presence. Known for its almost entirely 3D printed engines, the rocket company...