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Key:
d, mm = hole diameter; s, mm = hole spacing; t, mm = foil thickness; w,
kg/m2 = surface weight of foil;
# foils = number of foil layers; c, mm = spacing of foil from reflective
surface; f, mm = spacing between two foil layers.
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Frequency,
Hz |
A |
B |
C |
D |
E |
| 100 |
0.02 |
0.01 |
0.03 |
0.05 |
0.07 |
| 125 |
0.01 |
0.01 |
0.03 |
0.04 |
0.08 |
| 160 |
0.01 |
0.02 |
0.04 |
0.05 |
0.11 |
| 200 |
0.01 |
0.03 |
0.08 |
0.09 |
0.2 |
| 250 |
0.03 |
0.05 |
0.14 |
0.11 |
0.3 |
| 315 |
0.05 |
0.07 |
0.22 |
0.23 |
0.5 |
| 400 |
0.07 |
0.1 |
0.33 |
0.37 |
0.64 |
| 500 |
0.07 |
0.14 |
0.45 |
0.55 |
0.76 |
| 630 |
0.1 |
0.24 |
0.55 |
0.69 |
0.75 |
| 800 |
0.18 |
0.4 |
0.63 |
0.69 |
0.74 |
| 1000 |
0.3 |
0.52 |
0.65 |
0.76 |
0.68 |
| 1250 |
0.46 |
0.62 |
0.57 |
0.74 |
0.63 |
| 1600 |
0.58 |
0.65 |
0.42 |
0.66 |
0.67 |
| 2000 |
0.64 |
0.62 |
0.31 |
0.71 |
0.71 |
| 2500 |
0.63 |
0.57 |
0.41 |
0.77 |
0.69 |
| 3150 |
0.58 |
0.44 |
0.44 |
0.64 |
0.65 |
| 4000 |
0.48 |
0.36 |
0.37 |
0.47 |
0.58 |
| 5000 |
0.33 |
0.35 |
0.39 |
0.39 |
0.47 |
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Home:
Products: Clearsorber™
Foil
Absorption
Coefficients
| Specifications
|
Acoustical
Data
Absorption Coefficients
Product
Details
CSI
Specification
Clearsorber™ Foil
MS
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