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Raw PCM materials
Our PCM materials represent a new generation of ecologically friendly heat storage materials utilising the processes of phase change between solid and liquid (melting and congealing) to store and release large quantities of thermal energy at nearly constant temperature. Rubitherm® phase change materials (PCM's) provide a very effective means for storing energy at high and low temperatures (for heat and cold storage applications, respectively), even when limited volumes and low operating temperature differences are applicable.
 
We supply a broad range of these raw materials so that they can be used by our customers in the Research and Development of new applications in energy management and energy conservation. These materials are covered by a strong IP portfolio so you can rest assured that your new applications are protected from this point of view.

Depending on your requirements, we can usually tailor the critical parameters of raw materials (such as "working temperature", etc) to suit your specific application. We look forward to discussing your particular questions, needs and interests with you.

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Main physical properties of organic and inorganic PCM materials
We supply two groups of raw latent heat phase-change materials: organic based and inorganic based. Their main physical characteristics are shown below.

Paraffin based raw PCM materials  Salt hydrates raw PCM materials
   
PCM based on organic compounds PCM based on inorganic compounds
   

High thermal energy storage capacity

Heat storage and release take place at relatively constant temperature

No supercooling effect

Long life product, with stable performance through the phase change cycles

Ecologically harmless and non-toxic

Chemically inert

Melting temperature range between approx. –4 °C and 100 °C

Increased viscosity and density and impeded deliquesce at melting through the use of additives.

Very good thermal energy storage capacity

Heat storage and release take place at relatively constant temperature

Limited supercooling effect

Long life product, with stable performance through the phase change cycles

Non-toxic

Corrosive to metal

Melting temperature range between 18°C und 29°C




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