Criteria of Standard Flammability Tests

Print

Criteria

Criteria of UL94V and UL94VTM V-0
VTM-0
V-1
VTM-1
V-2
VTM-2
Afterflame time (s)
[first flame or second flame]
≦10 ≦30 ≦30
Total afterflame time (s)
[first flame plus second flame]
≦50 ≦250 ≦250
Afterflame time plus afterglow time after second flame (s) ≦30 ≦60 ≦60
Afterflame or afterglow of any specimen up to the holding clamp (s) No No No
Cotton indicator ignited by flaming particles or drops (s) No No Yes
  Test Piece Thickness
(in mm)
Burning rate
(in mm/min)
Criteria for UL94HB 3≦t≦13 ≦40
t<3 ≦75
Cease to burn before the 100 mm reference mark.
Criteria for FMVSS 302 t≦13 ≦102
Cease to burn before the 51 mm reference mark within 60sec

Search Number 6F002

Download The Technical Note of This Exapmle.

Contact Us

Inquiries Through Our Website