Preform As laid

Preform Areal Weight g/m²

Preform Thickness mm

Z-Axis Share of Fibre Mass %

Materials Densities

Fibre Density g/cm³

Carbon 1.76, E-glass 2.55, aramid 1.44.

Resin Density g/cm³

Fibre Volume Fraction

— %

At the stated preform thickness

Reinforcement & Laminate

Z-Axis Reinforcement: — g/m²
In-Plane Reinforcement: — g/m²
Resin Volume Fraction: — %
Cured Composite Density: — g/cm³
Resin Demand: — g/m²

Assumes full resin fill with no voids. Structural, aerospace and automotive parts are decision-support only here — every figure must be confirmed by coupon testing under the qualifying specification.

3D Woven Preform Fibre Volume Fraction Estimator — free, with the formula and a worked example, at Textile School.