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Windform Advanced Composite Materials for Industrial SLS 3D Printing

Ready for industrial SLS 3d printing

Windform® is a proprietary family of high-performance fiber-reinforced composite materials developed by CRP Technology exclusively for Selective Laser Sintering. For over 30 years, Windform® has served as the trusted material for functional end-use components, not mere prototypes, fundamentally transforming how industries approach additive manufacturing. With an expanding portfolio engineered for the most demanding operational environments, Windform® continues to set the standard across sectors that demand absolute reliability.

Born in elite motorsport where top-level teams relied on Windform® for wind tunnel models and on-car components, this material quickly proved its worth across every industrial sector. Its performance reached such exceptional levels that multiple grades have earned validation through NASA and ESA outgassing standards (ASTM E-595-07, ECSS-Q-ST-70-02C).

Today, Windform® supports everything from aerospace and automotive to defense, motorsport, medical devices, marine engineering, robotics, unmanned systems, and energy applications, manufactured consistently across CRP’s global SLS facilities in Italy, North America, and the GCC countries.

Windform SLS Materials Range by Category

CARBON FIBER FILLED
GLASS FIBER FILLED
GLASS 6 ALUMINIUM
RUBBER LIKE
NOT REINFORCED
Windform RS, Windform XT 2.0, Windform SP, Windform FR1, Windform SL
Windform LX 3.0, Windform GT, Windform FR2
Windform GF 2.0
Windform RL, Windform TPU
Windform FX Black
Access the complete portfolio of Windform solutions

Tested, Certified, Field-Proven

Engineering-grade composites validated from orbit to medical

Engineered Properties Across the Full Windform® Range

Each formulation in the Windform® portfolio is purpose-built for specific performance demands. Carbon fiber reinforced grades deliver maximum stiffness, impact resistance, and fatigue performance where structural integrity is paramount.

Glass fiber reinforced grades excel in electrical applications, exceeding 1700 VRMS/mm for dielectric insulation. Flame retardant grades achieve UL 94 V-0 certification (Windform FR1), while four additional grades hold UL 94 HB rating. For applications exposed to moisture, Windform SP adds waterproof certification, expanding the material’s versatility into challenging environments.

Validated in the Harshest Environments

Windform® has been proven in conditions that push materials to their limits. Five grades have successfully passed outgassing tests per NASA and ESA standards, while SP and LX 3.0 have demonstrated durability through Vacuum UV exposure testing for space missions. Skin contact certification—including sensitive skin validation—has been achieved by five grades, making them suitable for medical and wearable applications.

Real-world field data confirms that Windform® composites have survived intense 14G vibrations, extreme thermal cycling, and prolonged saltwater exposure without compromising performance.

Beyond Rigid Composites: Flexible Materials and Advanced Surface Finishing

The Windform® range extends well beyond rigid structural composites. Windform® RL is an advanced thermoplastic elastomer that delivers exceptional flexibility, durability, and impact resistance – engineered for applications requiring complex geometries and high mechanical performance, from wearables and robotics to soft-touch automotive interiors.

For components where surface quality is critical, Windform® SLS parts can be further enhanced through CRP Technology’s vapor smoothing process, which produces smoother, water-resistant surfaces approaching injection-molded quality. This post-processing technique is particularly valuable where aerodynamics, sealing performance, or wear resistance are essential – and can be combined with manual finishing to meet the highest standards demanded by aerospace, motorsport, medical, and advanced industrial applications.

STRENGTH AND LIGHTNESS

SPACE-READY

CNC POST-PROCESSABLE

WATERPROOF

SKIN CONTACT APPROVED

ELECTRICAL INSULATION

V-0 RATED

HIGH IMPACT STRENGTH

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Front view of Hoverfly’s Sentry drone equipped with an operational payload, with the sensor mounted beneath the platform
Intake manifold manufactured by CRP USA in Windform XT 2.0, with cover separated
Energica Experia, frontnose in Windform XT 2.0, painted
First assembly of the Windform Frame. Courtesy of Mini-Cubes

They trust Windform materials

"We have run quite a few tests with many more on the way. So far we have load tested to over 20 Kg. The material has been vibration tested to NASA GEVS-7000 specifications, subjected to a near vacuum to simulate the conditions in Earth orbit, and thermally tested from +50c to -40c. Windform® XT 2.0 has passed every test we threw at it. The next step for us is to test the satellite on orbit. This will be the final validation for our process. The plan is to launch soon."
Testimonia. Aerospace
AerospaceJoe Latrell
Mini-Cubes LLC
"The most innovative aspect about Joyson Safety Systems project and application is the fact that this is the first functional prototype of a DAB housing to be produced with SLS process using a composite material, Windform® SP, which exhibits an excellent mechanical performance in terms of high strength and impact resistance as well a good thermal stability"
Automotive
AutomotiveJoyson Safety Systems' Core innovations team
"This AM production technology and Windform LX 2.0 - now replaced by LX 3.0 - perfectly integrated in the design strategy, allowing to create masks of any shapes as unique objects, each different from the other. Windform LX 2.0 is aesthetically pleasant, able to preserve in time the chromatic features, showing important mechanical characteristics that allow to create highly complex geometries avoiding the risk of breakings or deformations."
Testimonial. Design
DesignFilippo Nassetti and Alessandro Zomparelli
founders at MHOX
"The functional prototype in Windform XT was delivered a couple of days after the order was placed. We were astounded. It was very definitely the quality standard we were hoping for, and certainly the level of product we felt comfortable delivering to a customer."
Defense
DefensePaul du Plessis
Design Manager SAAB Avitronics
"The combination of generative design, simulation of biological phenomena, professional 3D printing and Windform GT material lead to significant reductions in the cost and time required to manufacture the orthosis, and the final result mirrors the affected limb perfectly, without the need for invasive medical examinations."
Testimonial. Medical
MedicalMHOX Design
"The part in Windform® SP performed extremely well, and held up to all of the abuse, even being heavily modified while on the salt flats, with limited tools and time. I am still completely amazed at the strength of the Windform® SP. It gave us no issues withstanding the speed and the rough track and vibrations. A few years ago, I wouldn’t have dreamed of having something like this on the Streamliner."
Motorsport Testimonials
MotorsportBurton Brown
Victory Motorsports
"The fit between the CNC machined parts and the Windform® is exactly as designed. I can say from the design point of view that the use of Windform® SP and titanium has allowed me to really push the limits for the performance of the golf club: its performance level, as predicted in computer simulations, is unlike any other golf club available today."
Testimonials. Sport
SportMarc Kronenberg
Krone CEO
"Windform materials and selective laser sintering technology allowed us to easily prototype key components of our product, to outcompete the plastic injection molding process in terms of deadlines, cost, and to test our prototype in real life conditions with almost the same mechanical characteristic. This 3D printing time/cost saving technology helped us a lot and now allows us to calmly approach the mass production phase."
UAV/UAS
UAV/UASAlexandre Labesse
CEO Hexadrone