Rothoblaas - Soundproofing Solutions Page 115
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CODES AND DIMENSIONS CODE version B L s B L s [mm] [m] [mm] [in] [in] [in] SOFT CORK410100 (410 kg/m3) 500 1 5 100 1 5 CORK850 500 1 5 100 1 5 CORK410 HARD CORK850100 (850 kg/m3) pcs 3/16 1 39 3/8 3/16 1 19 3/4 39 3/8 3/16 1 3/16 1 19 3/4 39 3/8 4 4 39 3/8 L B L B TABLE OF USE(1) B CODE compression for acoustic optimisation(2) [N/mm2] [psi] load for acoustic optimisation(2) [kN/m] [lbf/ft] [mm] min max min reduction [mm] [mil] max min max CORK410 100 20 14751 75 55317 0,2 29 0,75 109 0,25 10 1,5 59 CORK850 100 75 55317 300 221269 0,75 109 3 435 0,25 10 1 39 (1) The load ranges reported here are optimised with respect to the static behaviour of the material assessed under compression, considering the effect of friction and the system resonance frequency, which falls between 20 and 30 Hz, with a maximum deformation of 12%. See the manual or use MyProject to view transmissibility and attenuation graphs. (2)Resilient profiles must be properly loaded in order to isolate medium/low frequency vibrations transmitted structurally. It is advisable to assess the load according to the operating conditions because the building must be acoustically insulated under everyday load conditions (add the value of the permanent load to 50% of the characteristic value of the incidental load Q linear = qgk + 0.5 qvk). TECHNICAL DATA CORK SOFT (410 kg/m3) (0.24 oz/in3) Properties standard value USC conversion Dynamic stiffness s’ UNI 29052 246 MN/m3 - Density - 410 kg/m3 0.24 oz/in3 N/mm2 109 psi Maximum permissible load - 0,75 Tensile strength - 1,25 N/mm2 181 psi Water absorption 48h - 15% - Reaction to fire EN 13501-1 class E - Max processing temperature - ≥ 100°C - standard value USC conversion CORK HARD (850 kg/m3) (0.49 oz/in3) Properties Dynamic stiffness s’ UNI 29052 1211 MN/m3 - Density - 850 kg/m3 0.49 oz/in3 Maximum permissible load - 6,5 N/mm2 943 psi Tensile strength - 1,5 N/mm2 218 psi Water absorption 48h - 15% - Reaction to fire EN 13501-1 class E - Max processing temperature - ≥ 100°C - LIVING COMFORT The compactness of the cork agglomerate makes it waterproof, so it can be used both on concrete and masonry for protection against rising damp and as a wall barrier. STRUCTURAL NOISE | CORK | 117
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