frp pultrusion grating 1) Anti-slip, flat top surface by sanding available on requests 2) Protecting against leakage and volatilization, anti-slip 3) Preventing small articles from falling through grating meshes 4) Graphite layer on top, static-conductive for safety Specifications: ImperialType ThicknessOpen SpaceOpen AreaWt(psf)I10.4,0.6,0.940%,50%,60%3.5,2.9,2.3I1.50.4,0.6,0.940%,50%,60%4.5,3.9,3.3T10.5,0.933%, 38%2.5,2.3T20.5,1.033%, 50%4.0,3.1Two surface choices: with or without an anti-skid grit surface.Standard panels come with cross bar spacing of 6 or optional 12 on center.MetricType ThicknessOpen SpaceOpen AreaWt(kgs) /Sq. mI25mm10mm,15mm,23mm40%,50%,60%17.1,14.2,11.2I38mm10mm,15mm,23mm40%,50%,60%22.0,19.1,16.1T25mm13mm,23mm33%, 38%12.2,11.2T50mm13mm,25mm33%, 50%19.5,15.1Two surface choices: with or without an anti-skid grit surface.Standard panels come with cross bar spacing of 152mm or optional 305mm on center.