|
|
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1, NRC (Noise Reduction Coefficient)
|
Product |
thickness |
mounting |
Sound absorption coefficient (Hz) |
||||||
|
mm |
125 |
250 |
500 |
1000 |
2000 |
4000 |
NRC |
||
|
Z146 |
44 |
Solid |
0.13 |
0.30 |
0.84 |
1.04 |
1.01 |
1.01 |
0.80 |
|
Z106 |
44 |
Solid |
0.33 |
0.57 |
0.85 |
0.89 |
0.87 |
0.82 |
0.80 |
|
MK6 |
25 |
Solid |
0.04 |
0.30 |
0.80 |
1.00 |
0.88 |
0.93 |
0.75 |
|
Pyrok |
25 |
Solid |
0.18 |
0.35 |
0.64 |
0.73 |
0.73 |
0.77 |
0.60 |
|
44 |
Solid |
0.24 |
0.59 |
0.74 |
0.81 |
0.91 |
0.97 |
0.75 |
|
|
Taipei subway |
25 |
|
|
|
|
|
|
|
0.55 |
|
Taipei MRT-I |
25 |
|
0.28 |
0.34 |
0.60 |
0.69 |
0.61 |
0.69 |
0.55 |
|
Taipei MRT-II |
¡Ø70 |
|
|
|
0.70 |
|
|
|
0.70 |
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2, Physical Properties
|
Product |
Composition |
Density kg/m3 |
Flame spread index class |
|
Z146 |
light weight aggregate +cement+fiber |
640 |
A |
|
Z106 |
light weight aggregate +cement+fiber |
352 |
A |
|
MK6 |
light weight aggregate +gypsum+fiber |
240 |
A |
|
Pyrok |
Vermiculite + cement |
500 - 700 |
A |
|
Taipei subway |
Asbestos free |
¡Ù288 |
A |
|
Taipei MRT |
Vermiculite + cement |
500 - 700 |
A |
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|
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