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3D printing materials pass NIAR flammability tests

Chromatic 3D Materials, a 3D printing technology company, has reported that its thermoset polyurethanes have passed 14 CFR (Code of Federal Regulations) vertical burn tests, demonstrating compliance with anti-flammability standards for airworthiness. Positive rating means abrasion-resistant materials can be used for 3D printing a variety of aircraft parts, including elastomeric components used in glove compartments and decorative panels, as well as ductwork, cargo linings, fabric sealing, and other applications .

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The tests, conducted by the National Institute for Aviation Research (NIAR) at Wichita State University, have shown that certain Chromatic 3D printed polyurethanes meet U.S. standards for suitability for use in aircraft interiors.

Specifically, the company’s ChromaLast 65, ChromaMotive 70 and ChromaFlow 90 products each passed the 12-second vertical burn test required for use in aircraft floor coverings, textiles and cushions, decorative parts, kitchen fixtures, ducts electrical, insulating components, ducts, goods linings and elsewhere. Additionally, both ChromaLast 65 and ChromaFlow 90 passed the 60-second vertical burn test for interior panels, galleys and underseat storage areas.

Having passed these crucial requirements, Chromatic now plans to offer its RX-AM materials and additive manufacturing technology platform to the aerospace market. Claimed benefits of the technology include low tooling costs for low to mid-volume production, as well as cost-effective prototyping and high-mix production. Additionally, the company says, RX-AM allows you to 3D print parts on demand.

“Additive manufacturing can revolutionize product design and supply chains, and it all starts with the type of materials available. The aviation industry has some of the most stringent material requirements, and we are pleased that test results from the National Institute for Aviation Research show that Chromatic’s materials pass with flying colors,” said Dr. Cora Leibig, founder and CEO of Chromatic. “We are confident that our industrial-strength polyurethanes will open the door for 3D printed applications in aviation and other industries that require safe, flame-resistant materials, including automotive, furniture, and apparel.” .

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