- Contact Person : Ms. Qi Emily
- Company Name : Jiangsu KPS Wool Timbering Science Technology Co., Ltd.
- Tel : 86-510-85210755-8001
- Fax : 86-510-85212227-8010
- Address : Jiangsu,Wuxi,No.118,Xinhua Road,High & New Development Zone,Wuxi,Jiangsu,China 214112
- Country/Region : China
- Zip : 214112
sheep wool sound absorption board,celotex board
1. Material: natural 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 A according to ASTM E84, 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(kg/ m³) | norminal thickness (mm) | 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.
sheep wool sound absorption board,celotex board