noun
- a composite material consisting of fibers pre-impregnated with a resin matrix that has not yet been cured
Usage: technical; manufacturing
Examples
- The aerospace company uses carbon fiber prepreg to manufacture lightweight aircraft components.
- Prepreg materials must be stored in freezers to prevent premature curing.
- The technician laid up several layers of prepreg before placing the part in the autoclave.
- Glass fiber prepreg is commonly used in boat hull construction.
- The prepreg was heated and pressed to form the final composite part.
- Quality control tests ensure the prepreg has the correct resin content.