A further distinguished characteristic of BERAHN®-Carbon is the very low thermal transmittance (also called »U-value«) of 0.2051 W/m²K. For comparison, wood has a thermal transmittance of 0.5 W/m²K. Basically, the lower the U-value, the greater the insulating performance.

A test in a laboratory approved that outstanding property. During the test, a container was filled with BERAHN®-Carbon. On one side, this container had a metal plate. The metal side was heated up to 1200°C (2192°F) within 120 minutes. On the opposite side of the container, so behind the carbon, only 200°C (392°F) were measured after 120 minutes.

Insulation Material

Mixed with cement BERAHN®-Carbon can be used as building material for insulation. One possible variant is to mount thin carbon-cement-panels on building facades. This has many advantages compared to the most commonly used insulation material polystyrene:

 

Insulation panels with BERAHN®-Carbon Polystyrene
+ made of recycling material made of fossil resources (crude oil)
+ UV-resistant not UV-resistant, thus yellowing and embrittlement of the facade
+ Disposal: insulation panels with BERAHN®-Carbon are not special waste, hence, when demolition of building no separation and therefore separate disposal is required Disposal is awkward and costly, because the plates must be separated from construction waste and from 2016 polystyrene is hazardous waste
+ Fireproof without adding any additives Fireproof only with adding flame retardants

 

Fire-proof

A further application of BERAHN®-Carbon for fireproof doors and heat shields is possible. In this case, the carbon is filling material.

R&D Demand

The application of bricks and insulation panels requires a general technical approval by the corresponding authority. In Germany the Deutsches Institut für Bautechnik (DIBt) is responsible. In order to receive this approval several tests, such as stability, protection against harmful influences, safety in case of fire, and so on, have to be performed. A corresponding approval is also necessary for fireproof products.

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