Reinforcing mat for fiber reinforced plastic material

摘要

A reinforcing mat for fiber reinforced plastic material comprises a first layer of longer glass fiber strands which are formed by collecting at least 300 glass fibers and are arranged in a non-directional and curled state and a second layer of shorter glass strands arranged in a non-directional state which has a thickness smaller than said first layer, said glass fiber strands of each layer being bonded with a binder.