fonosphera® XB
thermoforming solution
fonosphera® XB consists of a body of material layered with thermoformed polyethylene
featuring a sphere pattern. Made from a polymer base and mineral fillers, the material
is designed to achieve a high level of sound insulation.
It is particularly suitable for airborne sound insulation and vibration damping in metal
and fibreglass structures, plastic laminates, plywood and masonry.
Main characteristics and use:
• High level of sound insulation
• High level of vibration and reverberation damping
• High level of flexibility
• Easy to apply to rigid materials
• Easy to mould to non-planar surfaces
• Environmentally friendly with no bitumen, halogens or phosphates
Characteristics of the material:
Name : fonosphera® XB
Thickness: 6/7 mm
Density: 2 g/cm3
Density of polyethylene: 0.033 g/cm3
Hardness: 85 Shore A
Tensile strength: > 100 N/Cm
Elongation at break, material: > 100%
Elongation at break, polyethylene: > 125%
Horizontal combustibility: < 100 mm/min
Thermal conductivity, polyethylene : 0.038 W/M°K
RW : 33.8 dB
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