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Main materials and specifications of noise barrier | ||||
Parts List | Items | Product description | ||
Noise barrier Panel | Metal Material | Galvanized sheet, aluminum alloy sheet, color plate | ||
Transparent material | glass, PC board, acrylic board, etc | |||
Other materials | High strength cement, cement wood chips, glass steel, etc | |||
hole pattern | Louver holes: common hole spacing 20*137, 20*182 | |||
Micropores: common 3 holes 3 distances,5 holes 2 distances,2 holes 4 distances | ||||
aperture ratio | Not less than 25% | |||
Common size | 500*2000*80(100)mm,500*2000*120mm,1000*2000*80(100)mm etc | |||
Surface concave groove | can be customized according to drawings or customer requirements | |||
Surface treatment | Electrostatic powder coating, fluorocarbon spraying | |||
colour | Green 6029, blue 5017, gray 7042, white 9010, etc., color can be selected according to the national standard color card | |||
H shape post | Material | Q235B | ||
Common size | 100*100*6*8,125*125*6.5*9,150*150*7*10,175*175*7.5*11 etc | |||
Common height | 2m-6m, up to 12m | |||
Flange | Size tolerance less than 2mm, thickness tolerance less than 0.4mm | |||
Long hole: 22*30, 24*30, 26*40, 28*40; round hole: 22, 24, 26, 28, 30, 35 | ||||
Surface treatment | Hot dip galvanizing - electrostatic powder coating, fluorocarbon spraying | |||
colour | Green 6029, blue 5017, gray 7042, white 9010, etc., color can be selected according to the national standard color card | |||
Noise absorb material | Glass wool, rock wool, water-repellent cloth, acoustic felt, foam aluminum, aluminum fiber, etc. |