A resin system (often used in resin transfer moulding) in which the neat resin and catalyst are mixed together by the material supplier as part of the resin production operation.
An uneven surface somewhat resembling that of an orange peel; said of mouldings that have unintentionally ragged surfaces.
Composites whose constituents are aligned in a particular way.
The time a prepreg is exposed to ambient temperature, namely, the total amount of time the prepreg is out of the freezer. The primary effects of our time are to decrease the drape and tack of the prepreg while also allowing it to absorb moisture from the air.