Last Updated: 1 December 2016

[EXP 10,015] Classes of explosives3 

3
(1) For the purposes of these Regulations, explosives shall be divided into the following classes—
Class 1.........................gunpowder;
Class 2.........................nitrate mixture and perchlorate mixture;
Class 3.........................nitro compound;
Class 4.........................chlorate mixture;
Class 5.........................fulminate;
Class 6.........................accessory;
Class 7.........................firework;

and, where any explosive falls within the description of more than one class, it shall be deemed to belong, unless otherwise specified in this regulation, to the last mentioned of the classes within the description of which it falls.

(2) The gunpowder class comprises explosives consisting of any mechanical mixture of charcoal, sulphur and potassium nitrate and/or sodium chlorate.
(3) The nitrate mixture and perchlorate mixture class comprises explosives, other than those of the gunpowder class, consisting of any mechanical mixture containing nitrate and/or perchlorate.
(4) The nitro compound class comprises explosives containing a nitro compound or an ester of nitric acid, which class consists of 2 divisions, namely—

Division 1, which comprises explosives containing nitro glycerine and or nitro glycol or an ester of nitric acid; and

Division 2, which comprises explosives containing any other nitro compound.

(5) The chlorate mixture class comprises explosives consisting of any mechanical mixture containing a chlorate, which class consists of 2 divisions, namely—
  • (a)Division 1, which comprises all chlorate mixtures containing any liquid nitro compound; and
  • (b)Division 2, which comprises all other chlorate mixtures.
(6) The fulminate class comprises explosives consisting of any chemical compound or mechanical mixture which because of its sensitivity to heat, friction or impact is suitable for use as an initiator in detonators and similar devices or because of its extreme sensitivity or instability is especially dangerous. The fulminate class consists of 2 divisions, namely—
  • (a)Division 1, which comprises explosives suitable for use in initiators; and
  • (b)Division 2, which comprises explosives which are extremely sensitive or unstable.
(7) The accessory class comprises explosives of any of the foregoing classes when enclosed in any case or contrivance to form blasting accessories such as safety or other fuse, fuse lighters, detonators or detonating fuse, but does not include any blasting cartridges, shaped charges, canisters of explosives or primers which are not initiators. The accessory class consists of 3 divisions, namely—
  • (a)Division 1, which comprises safety fuse, fuse lighters, multiple safety fuse igniters, igniter cord and connectors for the same and delay action fuses;
  • (b)Division 2, which comprises detonating fuse and connectors for the same; and
  • (c)Division 3, which comprises detonators.
(8) The firework class comprises firework and signal light compositions, that is to say, any chemical compound or mechanical mixture of an explosive or inflammable nature, not included in any of the foregoing classes of explosives, which is used for the purpose of making manufactured fireworks and signal lights, that is to say, any explosive of any of the foregoing classes or any firework or signal light composition enclosed in any case or contrivance or otherwise manufactured or specially adapted for the production of pyrotechnic effects or pyrotechnic signals or sound signals. The firework class consists of 2 divisions, namely—
  • (a)Division 1, which comprises firework and signal light compositions; and
  • (b)Division 2, which comprises manufactured fireworks and signal lights.

[reg 3 subst LN 193 of 1966 reg 4, effective 25 November 1966]