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Rolling Stock Applications
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Single Layer
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SD 15
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SD 17
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SD 87
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| Surface Density (Kg/m2) at 1,5mm1 |
1,2 |
1,7 |
1,5 |
| Tensile Strength (MPa)2 |
1,3 |
2,3 |
1,2 |
| Thermal Conductivity3 |
0,140 |
0,177 |
0,120 |
| Loss Factor at 125Hz, RT |
0,17 |
0,15 |
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Key requirement
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| Thermal insulation |
++ |
+ |
+ |
| Low frequency damping |
++ |
+ |
+ |
| High frequency damping |
+ |
++ |
++ |
| Fire resistance |
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yes |
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Constrained Layer
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ACM 15
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ACM 17
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ACM 87
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ACM89
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| Density (Kg/m3)1 |
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650 |
965 |
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800 |
1200 |
| Tensile Strength (MPa)2 |
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111 |
111 |
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111 |
111 |
| RW/STC (a) |
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29 |
30 |
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30 |
32 |
| Thermal Conductivity3 |
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0,140 |
0,177 |
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0,120 |
0,150 |
| Panel Surface Weight(a)(Kg) |
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8,0 |
8,9 |
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8,4 |
9,6 |
Key Requirement
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| Sound Performance |
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++ |
+++ |
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+++ |
+++ |
| Thermal Insulation |
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++ |
+ |
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+ |
+ |
| Fire resistance |
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yes |
yes |
| Lowest panel surface weight |
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(1) ASTM F1315
(2) ASTM F152
(3) ISO 8301
(a) Estimated values, considering 6/3/6 mm sardwich panel using plywood of 500Kg/m3 density
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