BS 2782-1 Methods 141A to 141D:1978

Methods of testing plastics. Thermal properties - Oxygen index of combustion of a rigid bar of 10 mm x 4 mm nominal cross section. Oxygen index of combustion of a rigid bar of 6.5 mm x 3 mm nominal cross section. Oxygen index of combustion of a bar 10 mm wide cut from rigid sheet 1.2 mm to 6.5 mm thick. Oxygen index of combustion of a rigid bar of 6.5 mm x 3 mm nominal cross section of electric cable|