Flexural strength (a) and elastic modulus (b) as functions of binderless fiberboard density. Symbols with thin and thick outlines correspond to mold temperatures of 180 and 200 °C, respectively. Round, square and trapezoid symbols correspond to applied pressures of 10, 20 and 30 MPa, respectively. Symbols with white, light grey and dark grey backgrounds correspond to molding times of 1, 2 and 3 min, respectively.