Incombustible shall be respectively indicated in burn length and burn time both columns by
symbols “/”, and burn rate speed columns by symbols “0”. Self-extinguishable shall
be respectively indicated in burn length, combustion time and burn rate each column by
symbols “―”.
(5) If burn rate columns are all filled with “―”,”self-extinguishable” shall be filled in max. value
column. If burn rate columns are all filled with “0”,”incombustible” shall be filled in max.
value column. When the burn rate columns are filled with “―” and “0”, “self-extinguishable”
shall be filled in max. value column.
(6) Mean value shall also be reported for reference. A mean value of 5 largest figures shall be
reported even if there are 5 or more self-extinguishable and incombustible