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Perforated metal mesh
1)material:metal plate
2)thickness of plate:0.4mm
3)hole opening:0.5mm
4)hole shape:round
5)pitch size:1.25mm
6)open area:14.5%
7)sheet widthX sheet length:1mX2m
8)features:easy to form the shape,the surface and be spray painting or polishing
9)usage:used in the highway or railway which across the city for prevent the noise
perforated metal mesh