BS 2782:part1: Method 140D:1982 Methods of testing-Plastics-Part 1.thermal properties, Method 140D. Flammability of a small inclined test piece exposed to an alcohol flame(laboratory method). BS 2782-1:Method 140D:1982 塑料试验方法.热性能.小型倾钭试片置于酒精火焰上的可燃性(实验室法).