Guide·Apr 20, 2026
UHMWPE Fibers — Dyneema vs Spectra in Body Armor
UHMWPE (Dyneema, Spectra) has displaced aramid in many body-armor applications since the 2000s. This guide covers how the fiber works, why Avient and Honeywell dominate supply, and the grades that matter (SK78, SK99, Force Multiplier, Spectra Shield).