321 is a 250ºF to 300ºF cure, toughened, high Tg, controlled flow epoxy resin system. Versatile processing, excellent mechanical properties, and long out-life make 321 especially suited for the general aviation, aerospace, and industrial markets. FAA approved design allowable database is available.
The high Tg, and excellent mechanical properties make 321 an ideal product for the UAV, general aviation, aerospace and industrial markets, where products are required to operate in a large environmental envelope.
321 can be supplied with most commercially available fibers in both woven form (designated as NB) as well as unidirectional tape (designated as NCT), including:
Other specialty fibers and fabrics
Woven fabrics are available in standard commercial widths up to 60 inches. Unitape widths up to 39 inches (1M) are available in standard fiber weights ranging from 90 to 300 gsm.