According to DIN ***2 standard, these are hard polyurethane systems produced as new generation eco-friendly swelling gases or water based in B1, B2 and B3 nonflammability norms. They are polyurethane systems produced for the purpose of isolation. Rigid bubbles in different properties can be found according to their areas of use. Polyurethane has a regular bubble structure, *0%**5% of cells in its structure are closed, this situation enables the heat conductivity of polyurethanes to be perfect or in other words a fine insulator. These are bubbles with the lowest thermal conductivity (λ=0,***3 Watt/K.h). Kullanım yoğunluğu ****0 kg/m3 arasındadır. Utilizing density is between ****0 kg/m3. However it may be increased to around ***0 kg/m3 with special formulations. Rigid polyurethanes exhibit sound isolation property due to a high rate of closed cells that are comprised in their structures.
| 国家: | Turkey |
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