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NetComposites Ltd has transferred the rights and ownership of this website to Gardner Business Media Inc.

On 1st January 2020, NetComposites' media assets including netcomposites.com, newsletters and conferences were transferred to Composites World (Gardner Business Media).

This site is no longer being updated. Please direct all enquiries to netcomposites@gardnerweb.com.

For further details see our joint press release.

Wet-Out

The degree and/or rate at which each individual filament is “wet” or encapsulated by the matrix polymer resin in a composite sheet. Relates to the ability of the polymer matrix resin system to move through the glass fibre bed and to attain complete encapsulation of each individual filament. A measure of the wetability of the sized glass fibre surface.