PREPREG

Pre-preg

Pre-preg is a term for "pre-impregnated" composite fibers where a matrix material, such as epoxy, is already present. The fibers often take the form of a weave and the matrix is used to bond them together and to other components during manufacture. The matrix is only partially cured to allow easy handling; this is called B-Stage material and requires cold storage to prevent complete curing. B-Stage pre-preg is always stored in cooled areas since heat accelerates complete polymerization. Hence, composite structures built of pre-pregs will mostly require an oven or autoclave to cure.

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prepreg

Noun

  1. Fiber material impregnated with its matrix material, usually a plastic, well before its use to form a manufactured part.


The above text is a snippet from Wiktionary: prepreg
and as such is available under the Creative Commons Attribution/Share-Alike License.

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