New hot-pressed silk material impresses scientists by surpassing wood and bone, approaching Kevlar, and paving the way for medical implants and 6G technologies.

Written by Fabio Lucas Carvalho

Published on 19/05/2026 at 22:53

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Researchers transformed natural fibers into an ultra-strong silk material using heat and pressure, without synthetic additives, outperforming wood and bone, with strength close to Kevlar and potential for medical implants and 6G technologies

The silk material created by researchers from Tufts University, Imperial College London, and the University of Michigan transformed natural fibers into an ultra-strong solid. The breakthrough does not dissolve fibers or use synthetic additives.

The fused silk outperformed wood and bone in toughness, approached Kevlar, and had greater ballistic resistance than carbon fiber composites. The material maintained biocompatibility and can be adjusted.

Silk material preserves structure

The process avoids breaking silk into proteins to rebuild it later. The fibers are aligned, heated, and pressed directly, preserving part of the original molecular structure.

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Heat and pressure define performance

The ideal processing window was between 257 and 419 degrees Fahrenheit, with pressures from 1,900 to 9,800 atmospheres. Too little heat or pressure created fragile structures; excessive temperatures made the material brittle.

Aligned bundles efficiently distribute stress. This hierarchical structure contributes to the unusual combination of toughness and durability of the silk material.

Medical and 6G potential

In animal tests, the fused silk provoked mild immune responses, which decreased over time. The team also controlled degradation through processing conditions.

Less dense versions allowed gradual cell infiltration, while dense forms remained stable for longer. The material can be used in plates and devices for bone fractures.

Scientists from the University of Michigan discovered that the fused silk can polarize terahertz radiation, used in airport scanners, medical imaging, and chemical detection. The property can support 6G communication technologies.

New hot-pressed silk material impresses scientists by surpassing wood and bone, approaching Kevlar, and paving the way for medical implants and 6G technologies.

Researchers transformed natural fibers into an ultra-strong silk material using heat and pressure, without synthetic additives, outperforming wood and bone, with strength close to Kevlar and potential for medical implants and 6G technologies

Silk material preserves structure

Heat and pressure define performance

Medical and 6G potential

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New hot-pressed silk material impresses scientists by surpassing wood and bone, approaching Kevlar, and paving the way for medical implants and 6G technologies.

Researchers transformed natural fibers into an ultra-strong silk material using heat and pressure, without synthetic additives, outperforming wood and bone, with strength close to Kevlar and potential for medical implants and 6G technologies

Silk material preserves structure

Heat and pressure define performance

Medical and 6G potential

While an average building in London or New York takes three years to be completed, in China a 26-story tower went up in five days with about 100 workers, and the global modular construction market already moves US$ 95 billion per year.

Australia installs giant concrete structures on the seabed 800 meters from the shore to create an ocean intake for desalination that will draw in saltwater and produce 30 million liters of drinking water per day.

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Goodbye traditional washing machine: Panasonic surprises housewives with the NA-G5 featuring four drums, a 13 kg washer and dryer, a 12 kg dryer, independent mini washers, a heat pump, and a 4-in-1 system awarded at the German Design Award.

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