This process is suited for making large, high strength parts at low to medium volumes. A combination of reinforcements in roll form is laid into an open mold and impregnated with resin. When the resin cures, the surface of the mold is replicated on the side of the composite facing the mold.

<img src="/web/20010418122208im_/http://www.owens-corning.com/owens/composites/images/dcr/handlay.gif" border=0 width=222 height=101 alt=" Hand Lay-up ">

Glass reinforcements for this process:

• Chopped Strand Mat
• Woven Roving
• Yarn (Made into fabrics or braids)
• Veil