sheep wool sound absorption board
1.KPS sound absorption board is made of natural wool fibre
2.It is free of formaldehyde
3.Fairly good human comfortableness
1. Acoustic wall panel material: nature sheep wool board inner with wooden frame or aluminium alloy frame,covered by fabric.
2.Performance of KPS 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
in version 2.2 of American Leadership of Energy and Environment Design (LEED) certification of buildings.
4.Standard size:1200*600*25mm,1200*600*30mm,1200*600*50mm
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 : beveled edge,square edge 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 than50mm. | |||||
Note: 1) means that thickness is between 30-50mm 2)means thickness is bigger than 50mm.
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 | ||
KPS-MW-I 25
density | norminal thickness | test installation | frequency (HZ) | NRC | |||||
125 | 250 | 500 | 1000 | 2000 | 4000 | ||||
60 | 25 | sticking on the ground | 0.20
| 0.45 | 1.02 |
1.14 | 0.85 | 0.77 | 0.85 |
10cm cavum | 0.41 | 0.98 | 1.02 | 0.77 | 0.85 | 0.77 | 0.90 | ||
Note: Test method is GBJ 47-1983 Acoustics-sound-absorbing coefficient measurement by method of reverbration room.
Application pictures in the bedroom
