Silicone foam

Foam fixer pump used to draw silicone foam individual components, then mix them at the nozzle and dispense into desired location. Silicone foam having been dispensed into hole in a wall, above a door.

Silicone foam is a synthetic rubber product used in gasketing, sheets and firestops. It is available in solid, cured form as well as in individual liquid components for field installations.[1]

## Contents

* 1 Uses
* 2 Vulcanisation
* 3 See also
* 4 References
* 5 External links

## Uses

* Gaskets
* Sheets
* High temperature tubes for autoclaves
* Firestops
* Surfactants

## Vulcanisation

When the constituent components of silicone foam are mixed together, they evolve hydrogen gas, which causes bubbles to form within the rubber, as it changes from liquid to solid. This results in an outward pressure. Temperature and humidity can influence the rate of expansion.

## See also

* Firestop
* Vulcanisation
* Rubber
* Silicone resin

## References

1. ↑ Cox, J.E. (1989). "Silicone foam and method for making it". https://patents.google.com/patent/US4859712A/en.

## External links

* YouTube video showing silicone foam being mixed and expanded
* Silicone foam used as high temperature tube for autoclave
* Stockwell Elastomerics silicone foam used in gasketing
* Silicone Engineering Silicone Foam used in Rail and Mass Transit Systems
* Silicone sponge sheets
* Silicone foam surfactant, the Marangioni effect on cell stabilisation
* Silicone foam without use of toxic blowing agents

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