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News30 June 2026

From Scrap to Spar Where Recycled Carbon Fiber Actually Stands in Aircraft Structures

Boeing and Mitsubishi Chemical Advanced Materials are testing prototype cabin sidewall panels made from pyrolysis-derived recycled carbon fiber under Mitsubishi's KyronTEX material line, while separate simulation research found a scaled-down wing spar built from recycled carbon fiber performed within acceptable stress margins compared to a virgin-fiber equivalent. Recycled carbon fiber remains limited to non-structural or secondary aerospace applications due to unresolved fiber length, alignment, and surface sizing deficiencies, with primary structural qualification requiring years of additional testing and supply chain development.