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Types of Smoke Chemical
The majority of smoke chemicals in use today are generally
referred to as 'water based'. This rather vague term describes chemicals
which are water miscible, and are in the main based on glycols and
Water based smokes are dense and white, and the generators
that produce them can be simple to operate and very compact.
Typically two-thirds of the 'Smoke Chemical' is made
up of active ingredient, the remaining one-third being purified,
Different Glycols produce smokes of differing persistencies,
Propylene Glycol generally being the least persistent. Glycerol
is by far and away the most persistent 'water based' smoke.
We would normally recommend that, where dense concentrations
of water-based smoke are required (e.g. Fire Brigade Training, Leak
Testing), that the most persistent smoke possible is produced. The
use of chemicals with high percentages of glycols, whilst producing
dense white smoke, is not cost effective, as the smoke disperses
so quickly that one is having to produce smoke almost all the time
in order to keep up with the rate of breakdown of the smoke.
Glycol smokes begin to layer noticeably at 35-45°C,
Glycerine smokes at about 50-60°C.
Portable Smoke Machine - hand-portable unit. Can
deliver quick dispersing smoke (PS21) or long lasting (PS23).
Off-power facility on basic models. 240/110v.
High Output Smoke Generator - continuous high output
2.2kW machine with a choice of fluids available for either quick
dispersing smoke or persistent. 240/110v.
These systems produce a smoke that is far more persistent
than the very best of the water based smokes, and so are capable
of smoke logging huge volumes with relatively low consumption of
smoke chemical. The smoke produced by our Phantom oil based smoke
generator is also extremely resistant to very high temperatures,
starting to layer at 200°C, making it highly suitable for hot
fire training, as well as unheated applications.
Based Smoke Generator - oil-based smoke machines
with continuous highly controllable output. The generated smoke
can withstand high temperatures, is very persistent and has
a very small particle size (no residue) and can easily be ducted.
Please note, this unit can also be re-programmed to use water based
fluid, if required.