- Solar Cells[12]
- Magnesium Oxide Boards[10]
- Plasterboards[7]
- Other Fireproofing Materials[1]
- Metal Building Materials[10]
- Ceiling Tiles[10]
- Ceiling Grid Components[1]
- Tile Making Machinery[1]
- Other Boards[7]
- Aluminum Composite Panels[8]
- Cement Boards[4]
- Calcium Silicate Boards[2]
- Formwork[1]
- Whiteboard[6]
- Other Boards for Office & School[1]
- Sandwich Panels[7]
- Aluminum Profiles[1]
- Steel Wire Mesh[5]
- Other Fiberglass Products[1]
- Other Waterproofing Materials[1]
- Mineral Wool[7]
- Other Heat Insulation Materials[1]
- Other Timber[1]
- Bamboo Flooring[3]
- Steel Channels[2]
- Anti-Static Flooring[2]
- Acoustic Panels[1]
- Other Metals & Metal Products[2]
- Contact Person : Mr. Qian Feng
- Company Name : Zhangjiagang Qians' Huilong Group Co., Ltd.
- Tel : 86-512-58989968
- Fax : 86-512-58989982
- Address : Jiangsu,Zhangjiagang,Lubei Village, Luyuan, Tangqiao Town
- Country/Region : China
- Zip : 215600
Perforated gypsum ceiling board
Perforated gypsum ceiling board
♦ square hole
perforation type:square type,3*3mm,5*5mm,10*10mm,12*12mmsize 2440*1220*12.5mm,610*610*12.5mm,1220*610*12.5mm,other on requestcolor of non-woven fabric:white ,black , blue , other on requestperforation rate:13.4%-17.2%NRC rate:0.7RH70♦Circle Hole | |
Perforating type : | circle hole |
Diameter | Φ6mm (pitch:18mm) |
Φ8mm (pitch:25mm) | |
Φ12mm (pitch:25mm) | |
Φ15mm (pitch:30mm). | |
Size: | 2440*1220*9.5mm,2440*610*9.5mm,other on request. |
Color of non-woven fabric: | white ,black .blue ,other on request |
Perforation rate: | 8.7%-19.6% |
NRC rate: | 0.7 |
RH70 | |
♦ Irregular Circle Hole | |
Perforating type : | irregular circle hole, |
Diameter | Φ6/10, Φ12/20, Φ35/20/12, Φ20/12/8 |
Size: | 2440*1220*12.5mm, other on request. |
Color of non-woven fabric, | white ,black .blue ,other on request |
Perforation rate: | 8.7%-18.1% |
NRC rate: | 0.7 |
RH70 | |
♦ Other Surface | |
PVC laminated acoustic perforated gypsum board | |
Many patterns can be chose. | |
♦ Installation | |
Ceiling: | like ordinary gypsum board, roller coated surface. |
Partion: | like ordinary gypsum board, roller coated surface. |
♦ About Us
Huilong acoustic perforated gypsum board is designed on the basis of helholtz resonance theorem,After perforated, the holes,board and the wall make up of many resonant cavities,when air molecules pass the holes,the resonnt cavities will consume large quantities of sound energy.
Huilong acoustic perforated gypsum board is one of the best sound absorption products,it ie widely used in
office ,cinema,church,hospital.school and so on.
Perforated gypsum ceiling board