Explosive
UN No. Formula limits
AIR BAG INFLATORS, 3353
COMPRESSED GAS or
AIR BAG MODULES,
COMPRESSED GAS or
SEAT-BELT PRETENSIONERS,
COMPRESSED GAS
Properties
This entry applies to articles which are used as life saving vehicle air
bag inflators or air bag modules or seat-belt pretensioners, containing a
gas or a mixture of compressed gases classified under class 2.2, with or
without small quantities of pyrotechnic material. For units with
pyrotechnic material, initiated explosive effects should be contained
within the pressure vessel such that the unit, when tested, may be
excluded from Class I in accordance with I.II(b),in conjunction with
16.6.1.4.7 (a)(ii)of the United Nations Recommendations on the
Transport of Dangerous Goods. Manual of Tests and Criteria, Part I.
Label of class Observations
2.2 The provisions of this Code should not apply to air bags or seat-belts
installed in vehicles or in completed vehicle components such as
steering columns, door panels, seats etc.
Packing
Units should be designed or packaged for transport so that when
engulfed in a fire there will be no fragmentation of the pressure vessel
or projection hazard. This should be determined by analysis.
The pressure vessel should be in compliance with the requirements for
the gas(es), contained in the pressure vessel.
Stowage
Category A.
Packing, Stowage & Segregation
See also General Introduction and introduction to this class.
