Thickness Measurement size Edge Type Width Length ISO Certification Product Certification Product Testing | 7.5 mm, 8.0 mm, 9.0 mm,12.0 mm Metric and Imperial Size Recessed (Tapered) Edge and Square Edge 1200 mm and 1220 mm 2133 mm, 2400 mm, 2440 mm, 2743 mm, 3048 mm ISO 9001 : 2008 Certified SIRIM QAS Certified and BOMBA Class ‘O’ 1) BS 476 : Part 6 : 1989 + A1: 2009 2) BS 476 : Part 7 : 1997 |