The innovative manufacturing solution for physical foaming.
Advantages at a Glance
Stable processing technology
For series production of foamed plastic parts due to constant quality of the gas-polymer mixture produced.
May be used for physically foaming any polymers which can be impregnated with gaseous CO2
Cost-Efficient auxiliary unit
For new or existing injection molding machines from any manufacturer. No costly retrofits to the machines are required.
by connection to a number of processing machines.
How it works
Phase I (gas impregnation)
SOMOS® PERFOAMER applies pressure to the polymer with gaseous CO2 under defined conditions. As a result, the polymer’s CO2 content increases depending on its absorption capacity. Once this defined time has elapsed, the polymer has reached its maximum gas impregnation level.
Phase II (equilibration)
After transfer into the buffer tank, the gas-polymer mixture loses some of its absorbed gaseous CO2. A back-pressure applied in the buffer tank prevents any further reduction in the polymer’s gas content and an equilibrium is established.
Phase III (processing)
The pressurized buffer tank ensures that this equilibrium is held constant for the required further processing time. As a result, consistent quality of the gas-impregnated polymer is ensured over the desired processing period. Depending on the material, a dispensing unit sets fixed, continuous output volumes of up to some 60 kg/h.
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