| Flammable Liquids |
|
| Defined as liquids having closed cup flash points below 100°F (37.8°C)
and vapor pressures not exceeding 40 psi (276 kPa) (2.76 bar) at 100°F (37.8°C).
Flammable liquids are referred to as Class 1 liquids. |
|
| a. |
Class IA liquids - flash points below 73°F (22.8°C) and boiling points below
100°F (37.8°C). |
|
| b. |
Class IB liquids - flash points below 73°F (22.8°C) and boiling points at or
above 100°F (37.8°C). |
|
| c. |
Class IC liquids - flash points at or above 73°F (22.8°C) and below 100°F
(37.8°C). |
|
| Combustible Liquids |
|
| Defined as liquids having closed cup flash points at or above 100°F
(37.8°C). Combustible liquids are referred to as Class II or Class III liquids. |
|
| a. |
Class II liquids - flash points at or above 100°F (37.8°C) and below 140°F
(60°C). |
|
| b. |
Class IIIA liquids - flash points at or above 140°F (60°C) and below 200°F
(93.4°C). |
|
| c. |
Class IIIB liquids - flash points at or above 200°F (93.4°C). |
