Often malfunctions occur and large cavities, several metres high can be formed.
The low viscosity of the reactive PU foam mixture, the volume increase in the blowing reaction (through CO2 formation), the fast cure time, the elasticity and adhesive properties of the reacting foam are all features that make PU foam the preferred consolidation agent.
There is very little temperature increase in the surrounding coal due to the exothermic nature of the PU reaction and there is no danger of ignition.
Ariel Industries | Applied Polymers & Polyurethane Systems
Ariel Industries established Applied Polymers as a Polyurethanes Systems House in Melbourne in 1972.
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