While the composite material that is specially adapted to fiber surfaces. Resistant cost reduced average 51.35 percent compared with mixed fibre materials are not specially adapted to the surface.
While the fiber composite material through surface modification. The impact resistance is reduced by an average of 51.35 per cent compared to the fiber composite material that has not been modified surface.
While the fiber composite material through surface modification. The tolerance to impact strength decreased when compared to the average of 51.35 composite fibers, not through alterations surfaces.