BS 2782-1 METHOD 121C:1992 Methods of testing plastics. Thermal properties-Determination of temperature of deflection under a bending stress for rigid thermosetting resin bonded laminated plastics sheet
1992BS 2782-1 METHOD 121C:1992 Methods of testing plastics. Thermal properties-Determination of temperature of deflection under a bending stress for rigid thermosetting resin bonded laminated plastics sheet