- Prepreg is a strong composite material made of woven fibers bonded with resin that is formed into sheets or strips.
An example of prepreg is a material used to make sporting equipment.
a strong, flexible composite material, usually a resin impregnated with fibers, formed into lightweight sheets or strips and used in the manufacture of airplane parts, sports equipment, etc.
(usually uncountable, plural prepregs)
- Fiber material impregnated with its matrix material, usually a plastic, well before its use to form a manufactured part.
An abbreviation of pre-impregnated