9.2 Ignition source application9.2 . 1 Light the gas emerging from the burner tube , adjust the gas flow to the specified rate ( see 6.4 ) and allow the flame to stabilize for at least 2 min .9.2.2 Within 20 min of removing the materials from the conditioning room , position the burner tube in position on a flat portion of the upper surface of the test specimen so that the burner tube is not less than 100 mm from the nearest edge or marks left by any previous tests , and simultaneously start the clock . Where the test specimen has a piped or taped - edge finish , or is quilted or tufted , apply the burner tube to additional positions on the taped edge , in the grove of the quilt - line and on the tufts .The burner tube shall be horizontal and in contact with the test specimen .9.2 . 3 Allow the gas to burn for a period of ( 15 ± 1 ) s , then terminate the ignition process by carefully removing the burner tube from the test piece .9.2 . 4 Observe the progress of combustion , and record any evidence of progressive smouldering or flaming in the interior and / or cover . Disregard any flames or smouldering that cease within 120 s of the removal of the burner tube .9.2 . 5 If progressive smouldering ignition〔 see 3.1 a ) , b 〕, c 〕 d 〕〕or flaming ignition ( see 3.2 ) of the test specimen is observed , extinguish the test specimen and record this . In these circumstances discontinue testing and complete the test report 〔 see Clause 10 ) .9.2 . 6 If progressive smouldering ignition or flaming ignition of the test specimen is not observed , repeat the test at a fresh position as described in 9.2 . 2 .9.2 . 7 If progressive smouldering ignition ( see 3.1 a ) , b 〕 , c 〕 d 〕〕 or flaming ignition ( see 3.2 ) of the test specimen is observed in this repeat test , extinguish the test assembly and record this . Discontinue testing and complete the test report ( see Clause 10 )
9.2 Ignition source application<br>9.2 . 1 Light the gas emerging from the burner tube , adjust the gas flow to the specified rate ( see 6.4 ) and allow the flame to stabilize for at least 2 min .<br>9.2.2 Within 20 min of removing the materials from the conditioning room , position the burner tube in position on a flat portion of the upper surface of the test specimen so that the burner tube is not less than 100 mm from the nearest edge or marks left by any previous tests , and simultaneously start the clock . Where the test specimen has a piped or taped - edge finish , or is quilted or tufted , apply the burner tube to additional positions on the taped edge , in the grove of the quilt - line and on the tufts .<br>The burner tube shall be horizontal and in contact with the test specimen .<br>9.2 . 3 Allow the gas to burn for a period of ( 15 ± 1 ) s , then terminate the ignition process by carefully removing the burner tube from the test piece .<br>9.2 . 4 Observe the progress of combustion , and record any evidence of progressive smouldering or flaming in the interior and / or cover . Disregard any flames or smouldering that cease within 120 s of the removal of the burner tube .<br>9.2 . 5 If progressive smouldering ignition〔 see 3.1 a ) , b 〕, c 〕 d 〕〕or flaming ignition ( see 3.2 ) of the test specimen is observed , extinguish the test specimen and record this . In these circumstances discontinue testing and complete the test report 〔 see Clause 10 ) .<br>9.2 . 6 If progressive smouldering ignition or flaming ignition of the test specimen is not observed , repeat the test at a fresh position as described in 9.2 . 2 .<br>9.2 . 7 If progressive smouldering ignition ( see 3.1 a ) , b 〕 , c 〕 d 〕〕 or flaming ignition ( see 3.2 ) of the test specimen is observed in this repeat test , extinguish the test assembly and record this . Discontinue testing and complete the test report ( see Clause 10 )
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