Covestro establishes CFRTP as "a material class of its own"

Trademarked as Maezio, Covestro claims continuous fiber reinforced thermoplastic composites “outperform metals,” offering advantages in aesthetics, lightweight and robust process flexibility.
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My April blog “Continuous fiber thermoplastics are smart for world’s largest appliance manufacturer” discussed the development of a high-end production air conditioner using CFRTP composite materials by supplier Covestro and the world’s largest appliance company Haier. Now Covestro has trademarked these materials as Maezio, which include carbon or glass fibers impregnated with polycarbonate (PC), thermoplastic polyurethane (TPU) or other thermoplastic resins. Covestro produces unidirectional reinforced tapes and sheets at its production site in Markt Bibart, Germany.

 Covestro Maezio continuous fiber reinforced thermoplastic composite materials layered to form products  Covestro Maezio continuous fiber reinforced thermoplastic composite materials produced in Markt Bibart, Germany

Maezio continuous fiber reinforced thermoplastic (CFRTP) materials are produced by Covestro in Markt Bibart, Germany. SOURCE: Covestro

“The brand gives us a clear and strong identity to further expand our expertise in thermoplastic composites,” says David Hartmann, Co-CEO for CFRTP composites alongside Dr. Michael Schmidt. “We believe the new brand can truly bring value to next-generation products across industries by delivering a combination of lightweight construction, specific strengths and finishes at a scale unreachable by advanced materials today.”

The variety of finishes Covestro is showing are indeed impressive. Covestro’s media page on Maezio features a video with interviews from multiple players along the supply chain who tout the material’s appealing aesthetics and design flexibility alongside its ability to break through the lightweight and low thickness boundaries of traditional metal and plastic materials.

Covestro Maezio continuous fiber reinforced thermoplastic materials are available in a variety of finishes 
 Covestro Maezio continuous fiber reinforced thermoplastic materials are available in a variety of finishes  Covestro Maezio continuous fiber reinforced thermoplastic materials are available in a variety of finishes

Covestro’s Maezio CFRTP materials are strong, lightweight and aesthetic, able to be combined into a reportedly unlimited number of products, giving designers new creative opportunities. SOURCE: Covestro.

Mass production for multiple markets

Covestro claims that widespread propagation of advanced composites has been hampered by lack of cost-effective and scalable manufacturing processes. In its media and press releases, the company notes that composites also have been difficult to integrate into high-volume products, but Maezio materials are changing this:

These innovative materials are set to tap into the growing demand worldwide for strong and light materials that contribute to resource conservation and energy efficiency. From mobility and electronics industries to consumer goods and medical products, OEMs and part suppliers can benefit from the high-performance capabilities of advanced composites while enjoying cost-effective and scalable manufacturing solutions offered by Maezio.



SOURCE: Covestro

Maezio materials can reportedly be thermoformed with existing thermoforming tools at high yield rates and low cycle times for millions of parts per year. Other production technologies such as hybrid injection molding (overmolding), automated UD tape laying and automated fiber placement (AFP) can be easily integrated.

RocTool is working with Covestro Maezio continuous fiber reinforced thermoplastic materials in its composites processing developments

RocTool is working with Covestro’s Maezio products in its composites processing developments for the consumer electronics industry. SOURCE: Covestro

As thermoplastic composites, Maezio products can also be recycled at the end of their useful life, making them “a perfect example of what scalable and sustainable composite solutions look like in giving industries the material tools to push boundaries,” says Co-CEO for CFRTP Michael Schmidt.


Covestro reports that Maezio is attracting interest in diverse market segments including the electrical and electronics industry, automotive, medical technology, sporting goods, athletic shoes and consumer goods like household appliances, furniture and luggage.

Note that Solvay, Premium AEROTEC and Faurecia Clean Mobility have also recently announced efforts toward high-volume thermoplastic composites production