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Smoke Dyes
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

Parameters for selecting Smoke Dyes

  • Relative density
  • Viscosity
  • Water content
  • Sedimentation
  • Colour difference
  • Pour point
  • Flash point
Application of Smoke Dyes

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.


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