General description Flame Retardant Light Duty Anti-Vibration Rubber Lined U-bolt designed for 49 mm ID, suitable for 40 mm NB pipes. This product features a galvanised mild steel U-bolt and a backing pad made from high-quality silicone rubber, ensuring durability and performance. Technical specifications U-bolt material: Galvanised Mild Steel Backing pad material: Railway Grade Silicone 80sh Pipe compatibility: 40 mm NB (Nominal Bore) Pipe O/D: 48.3 mm Dimensions: B: 37.5 mm C: 49 mm F: 80 mm G (Thread Size): 10 mm K: 70 mm X: 49 mm D*A (backing pad): 25*10 mm Tolerance on dimensions: +/- 1 mm Flame Retardant rubber properties: Shore A hardness: 80 Tensile strength: 10.0 N/mm² Elongation: 420% Tear strength: 26 N/mm Specific gravity: 1.22 Working temperature range: -40°C to +200°C Dielectric strength: approx 24 KV/mm Smoke density: 0.005 m²/g Flammability temperature index: 352°C Toxic flame emission: 0.12 Advantages Reduces or eliminates noise and fatigue caused by vibration of