Fibre-reinforced plastics. Moulding compounds and prepregs. Determination of mass per unit area and fibre mass per unit area1 Scope This document specifies a method for the determination of the mass per unit area. It also specifies five methods (Method A to Method E) for the determination of the fibre mass per unit area of moulding compounds and prepregs. The five methods are as follows: Method A: Extraction by Soxhlet; Method B: Extraction by immersion in solvent in a beaker; Method C: Decomposition by loss ignition; Method D: Extraction by wet combustion; Method E:

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