A fibrous material preimpregnated with a particular synthetic resin, used in making reinforced plastics.
- ‘Even construction is now mostly metal, although the airframe retains some prepreg carbon-fiber materials.’
- ‘The outer panel is based on a unidirectional prepreg tape.’
- ‘Unlike some of the prepreg materials ordinarily used in composite processes, what they're using is a material that's like a fabric at room temperature.’
- ‘Unidirectional tape is more expensive than aluminum and more difficult to lay up than a woven prepreg.’
1950s: from pre- before + ( im)preg(nated).
We take a look at several popular, though confusing, punctuation marks.