Which of the descriptions on “prepregs” is not true?
A.
A prepreg is the impregnated fiber reinforcement with a resin matrix.
B.
The fiber reinforcement in a prepreg only exists in unidirectional forms
C.
The fiber reinforcement in a prepreg can exist in unidirectional or fabric forms
D.
The resins for a prepreg includes thermoset and thermoplastic resins