1. Material of acoustic board: natural sheep wool 2. Free of formaldehyde 3. NRC value:bigger than 0.85 4.Thickness: 25m
1. Material: natural sheep wool acoustic board inner with wooden frame or aluminum alloy frame,covered by fabric.
2. performance of sheep wool wooden acoustic 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
5.Thickness:20mm, 25mm,30mm,50mm
6. Flammability:Class A according to ASTM-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 and decorative 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.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 | ||||
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 studio
KPS Sheep Wool Wooden Acoustic Board
