Structure of material - Open cell Polyurethane foam-self-extinguishing and impregnated type Class 1 - Open cell-elastic melamine resin Class 1 - Thermobonded Polyesther fibre - Coupled with lead sheet and elastomer mass Technical characteristics - Self-extinguishing and not - Density: from 11 to 95 Kg/m3 - Temperature Range: -40 +295 degrees C° Aspect - Coupled with PU, ALU and PVC film - Smooth - Embossed - Pyramidal shaped Application as sound-absorbers into the air canalizations, into the structure of noisy machineries and tools and they can be cutted in shaped pieces and sizes on request. For example: compressor casing, noiseless cabinets, gymnastic rooms, recording studios, false ceilings, tooling machines, partition walls