combustible和flammable有什么区别? nfpa30中的定义: combustible liquid. any liquid that has a closedcup flash point at or above 100°f (37.8°c), as determined by the test procedures and apparatus set forth in section 4.4. combustible liquids are classified according to section 4.3. flammable liquid. any liquid that has a closedcup flash point below 100°f (37.8°c), as determined by the test procedures and apparatus set forth in section 4.4, and a reid vapor pressure that does not exceed an absolute pressure of 40 psi (276 kpa) at 100°f (37.8°c), as determined by astm d 323, standard test method for vapor pressure of petroleum products (reid method). flammable liquids are classified according to section 4.3.查看更多