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Bayer MaterialScience Demonstrate Polycarbonate Panels to Increase Energy Efficiency in Buildings

Published on August 30, 2008 at 12:36 AM

The construction of new buildings offers enormous potential to reduce harmful emissions and conserve resources. In all kinds of buildings, energy from fossil raw materials is needed for both cooling and heating purposes, and it is the carbon dioxide emissions resulting from this that are partly responsible for greenhouse gases.

With insulating panels made of Makrolon® - the proven polycarbonate from Bayer MaterialScience - the energy efficiency of buildings can be increased and the level of emissions reduced.

Bayer MaterialScience now markets a wide range of heat-insulating panels for roof and façade glazing under the name i-LINE. The methods used for their production also conserve resources, as the Life Cycle Assessments

(LCA) for them clearly prove. The constituents in the semi-finished products are equally safe, being halogen-free in line with DIN/VDE 0472 Part 815, free of heavy metals according to the US CONEG guidelines, and free of ozone-depleting substances (ODS). Because the polycarbonate is not self-igniting, the sheets do not harbor any risk of fire propagation or of burning parts falling down. They thus comply with the international specifications for the fire behavior of building products. In the event of a fire, no additional toxic substances are released, and the smoke density is low. A further bonus with Makrolon® sheets is that fire tests carried out under real-world conditions have shown that the molten areas of the sheet act like an extractor - gas, smoke and heat are drawn off upward and the substructure enjoys maximum protection.

The i-LINE from Bayer MaterialScience is highly diversified. The product range offers a wide choice of highly heat-insulating sheets for environmentally friendly building:

Makrolon® multi UV is a range of highly heat-insulating multi-wall sheets with special UV protection (Australian Standard AS/NZS 4399:1996). The new Makrolon® multi UV 5M has an M structure resulting in outstanding insulation properties. Depending on the thickness of the sheet, the heat transfer coefficient Ug is between 1.0 W/m2K and 1.3 W/m2K.

Makrolon® multi IQ-Relax drastically reduces heat and provides a pleasant, cozy room climate all year round. The product also boasts high transparency and low reflectance.

Makrolon® multi CS UV is a clear, transparent, UV-resistant, multi-wall corrugated sheet with a low heat transfer coefficient.

Makrolon® UV ClimateControl, a transparent polycarbonate sheet, has a UV-protective coating on both sides. It largely blocks out infrared light and thus ensures a pleasant room climate over a wide temperature range.

Makrolon® Ambient is a transparent multi-wall sheet filled with Nanogel®.

The heat transfer coefficient Ug is only 0.99 W/m2K when installed either horizontally or vertically, much higher than that of all known conventional glazing.

The full range of products for the building industry includes solid (GP), multi-wall, and corrugated (CS) polycarbonate sheet. It is available in many color variants as well as transparent, translucent and opaque. The tough, resilient sheets are available in numerous sizes, property combinations and textures. Their outstanding temperature resistance (-135 ° C to max. +150 °C) makes them suitable for use in both tropical and Arctic temperatures. Their low intrinsic weight enables them to be laid over large areas with comparatively lightweight supporting structures. They are also easy to machine, - they can be sawed, drilled and milled - and have excellent cold bending properties.


For more information on polycarbonate, click here.

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