Requirements for V-0
1.The specimens may not burn with flaming combustion for more than 10 seconds after either application of the test flame.
2.The total flaming combustion time may not exceed 50 seconds for the 10 flame applications for each set of 5 specimens.
3.The specimens may not burn with flaming or glowing combustion up to the holding clamp.
4.The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen.
5.The specimens may not have glowing combustion that persists for more than 30 seconds after the second removal of the test flame.
Requirements for V-1
1.The specimens may not burn with flaming combustion for more than 30 seconds after either application of the test flame.
2.The total flaming combustion time may not exceed 250 seconds for the 10 flame applications for each set of 5 specimens.
3.The specimens may not burn with flaming or glowing combustion up to the holding clamp.
4.The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen.
5.The specimens may not have glowing combustion that persists for more than 60 seconds after the second removal of the test flame.
Requirements for V-2
1.The specimens may not burn with flaming combustion for more than 30 seconds after either application of the test flame.
2.The total flaming combustion time may not exceed 250 seconds for the 10 flame applications for each set of 5 specimens.
3.The specimens may not burn with flaming or glowing combustion up to the holding clamp.
4.The specimens can drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen.
5.The specimens may not have glowing combustion that persists for more than 60 seconds after the second removal of the test flame.