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| Specification of Noise Barriers | ||
| Size | Height | 2000mm, 2500mm, 3000mm, 3500mm, 4000mm |
| Post distance | 1000mm, 2000mm, 2500mm, 3000mm | |
| Acoustical board | Material | Galvanized steel sheet, aluminum sheet Laminated glass, PC board, acrylic board |
| Hole type | Louver hole, micropore | |
| Size | 500 x 2000 x 80mm, 500 x 2000 x 100mm, 500 x 1200 x 120mm | |
| Surface treatment | Powder coated, Fluorocarbon paint | |
| Color | Green, blue, white, grey | |
| Sound absorption material | Glass wool | 24kg/m3, 30kg/m3, 48kg/m3 |
| Rock wool | 48kg/m3 | |
| Package of glass wool | Glass fibre cloth, PET waterproof and high temperature resistant film | |
| H post | Size | 100 x 100 x 6 x 8mm, 125 x 125 x 6.5 x 9mm, 150 x 150 x 7 x 10mm, 175 x 175 x 7.5 x 11mm |
| Height | 2-6 meters, the most height can be 12 meters | |
| Flange base | 250 x 250mm, 300 x 300mm, 350 x 350mm, 400 x 400mm, 500 x 500mmm Thickness: 12mm, 14mm, 20mm and so on |
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| Material | Q235 | |
| Surface treatment | Powder coated, Fluorocarbon paint | |
| Color | Green, blue, white, grey | |
| Installation accessories | Gusset plate, post cap, V shape clamp spring, self-tapping screw | |

| Specifications and technical parameters | |||
| Size | Performance and testing project |
Test Standards | Test Results |
| Length: can be customized Height: 500mm Thickness: 80mm-140mm |
Noise Reduction Coefficient | GBJ47-83 | NRC=0.84 |
| Fire rating | GB/T13350-2000 | A Level (Noncombustible) | |
| Insulation | GB/T13350-92 | ≤0.042VV(M.K) | |
| Soundproofing | GB/T13350-2008 | ≥50db | |
| Sound absorption coefficient | GB/T13350-2008 | >0.863 | |



