Have you ever wondered about the zooming Aircrafts over your head that
releases the colourful smokes in various hues and colours. What gives the
smoke such colours? Working behind the scene is the smoke dyes. The Smoke
dyes are homogeneous mixtures of azo and anthraquinone dyes. They are
available in liquid or powder form and are available in a variety of hues
and colours. An example can be given of the Orange smoke compositions. They
are basically a 50:50 mixtures of azo dyes and reactants. Reactions take
place at a relatively low temperature, leaving the dye to melt and on
expelled by hot gases used as coloured smoke. On thing must be mentioned
here that because of the sensitive use of the smoke dyes it should be low
hazard. Smoke dyes that are used must pass through some strict guidelines.
Smoke dyes are generally used in making colored smoke
that have use in pyrotechnic devices. Smoke dyes can be used in the
following applications:
Defence
- Smoke grenades and ammunitions used in signals and training.
Security
- Security for protection, of ATM and cash.
Safety
- Sending distress signals and marine locator markers.
Entertainment
- Making special effects, aerial smoke etc.
Pyrotechnics
for air shows.
Used
for marker buoys and distress flares.
Parameters for selecting Smoke Dyes