Descriptors | Fibre building board, Woodbased sheet materials, Wood products, Hardboards, Environment (working), Moisture, Humidity, Thickness, Swelling, Tensile strength, Strength of materials, Bending, Modulus of elasticity, Grades (quality), Density, Performance, Dimensional changes, Water absorption, Approval testing, Marking, Identification methods, Colour codes, Boiling tests, Bend testing, Testing conditions, Load-bearing boards |