PEI

PEI filament is a high temperature printing material with good flame retardancy and low smoke. PEI has strong high temperature stability. High temperature resistance, good hydrolysis stability, and steam resistance; PEI polyetherimide has good resistance to ultraviolet rays and gamma rays. Due to its excellent comprehensive balance performance, PEI has been effectively used in industries such as electronics, electrical machinery and aviation, and is used as a metal substitute for traditional products and cultural daily necessities.