HIGH CHEMICAL RESISTANCE GRATINGS (SCH 40/30_ISO) HIGH CHEMICAL RESISTANCE GRATINGS (SCH 40/30_ISO) Technical Table Standard panels (mmxmm) 1000 x 2000 1200 x 3000 Mesh (mm) 40 x 40 Clear span 33 x 33 Thickness (mm) 30 Beam thickness (mm) 5/7 Weight (kg/m2) 12 Color Translucent green Code:SCH 40/30_ISO