1. KPS sound absorption board is made of wool fiber
2. It is free of formaldehyde
3. Perfect human comfortableness
1. Material: nature sheep wool board inner with aluminium alloy frame,covered by fabric.
2. Performance of sound absorption board: Perfect sound absorption and thermal insulation, decoration performance
3. Superiority: Does not emit formaldehyde and other toxic gases, Perfect human comfortableness , Contributes to MR C4.1, MR C4.2, MR C6, EQ C3.2,and EQ C4.4 items of LEED.
4.Standard size:1200*600*25mm,1200*600*30mm
5.Thickness:20mm, 25mm,30mm,50mm
6. Flammability:Class B1 according to DIN4102 ,does not release toxic smoke, smoke density is very low
7. NRC value: bigger than 0.9
8. Facing: inherently flame retardant fabric
9. Edge detail : circular bead,chamfer angle,right-angle and other custom designed
10.Application: cinema , theater, hotel ,conference room, gymnasium, ,school, library, auditorium and so on.
11.Colors: A wide range of colors in woven fabrics
12.Installation : Adhesive, Hook& Keel Fasteners
Please find additional photos, color choices, installation information, etc. on our website.
13.Physical properties of sheep wool thermo-acoustic panel
density
(kg/m3)
permitted deviation of density
%
thermal conductivity
W/(m·k)
noise reduction coefficient (NRC)
average temperature
25oC±5oC
average temperature
70oC±5oC
Sticking on the ground
back cavity 50mm
32
±5
≤0.040
≤0.046
≥0.61
≥0.82
≥0.401
≥0.452
40
≤0.037
≤0.044
48
≤0.036
≤0.043
64
≤0.034
≤0.042
≥0.451
≥0.552
80
≤0.033
≤0.041
1.the thickness is 30-50mm; 2.the thickness is bigger than 50mm.
Note: other specifications can be supplied by the agreement of the supplier and buyer.
14. Sound Absorption Coefficient (NRC) of sheep wool thermo-acoustic board
density | norminal thickness | test installation | frequency (HZ) | NRC | |||||
125 | 250 | 500 | 1000 | 2000 | 4000 | ||||
40 | 50 | sticking on the ground |
0.33
|
0.76
| 0.97 | 0.90 | 0.82 | 0.66 | 0.85 |
5cm cavum |
0.28
| 0.88 | 1.05 | 0.80 | 0.54 | 0.65 | 0.80 |
Note: Test method is GBJ 47-1983 Acoustics-sound-absorbing coefficient measurement by method of reverbration room.