Upper Flammable Limit 07
Upper Flammable Limit 07 :
Examples: The flammable/explosive limits of some gases and vapors are given below. Concentrations are given in percent by volume of air. (a) Class IA liquids (flash pointless than 73°F (22. 8°C);boiling pointless than 100°F (37. 8°C) areNFPA 704flammability rating 4. (b) Classes IB (flash point less than 73°F (22. 8°C); boiling point equal to or greater than 100°F (37. 8°C)) and IC liquids (flash point equal to or greater than 73°F (22. 8°C), but less than 100°F (37. 8°C)) areNFPA 704 flammability rating 3 (c) Classes II (flash point equal to or greater than 100°F (37. 8°C), but less than 140°F (60°C) and IIIA liquids (flash point equal to or greater than 140°F (60°C), but less than 200°F (93. 3°C)) areNFPA 704 flammability rating 2. (d) Class IIIB liquids (flash point equal to or greater than 200°F (93. 3°C) areNFPA 704 flammability rating 1
