Light Duty Anti-Vibration Rubber Lined U-bolt and Backing pad 219 mm ID (suit 200 mm NB pipe) U-Bolt is Zinc plated Mild Steel steel SLEEVE AND PAD: Neoprene Rubber. A multi-purpose material suitable with weathering, sea water mineral oils and grease applications. Good flame retardant, excellent acid resistance, good ozone and oxidation resilience. Not suitable for resistance to aliphatic and aromatic hydrocarbons and ketones. Elastomer: Neoprene Colour: Black Quality: Commercial Grade: C20 Hardness: 65 shore A +/-5 S.G.: 1.4G/Cm3 Tensile MPA: 5 MIN Elongation: 300% Tear Strength: 20 Kg/CM Compression Set: 35% Operating Temperature: -20 / +110 C C/W 2 nuts on each leg NB = 200 mm Pipe O/D = 219.1 mm B = 131 mm C = 150 mm F = 199 mm G (Thread Size) = 16 mm K = 120 mm X = 219 mm D*A (backing pad) = 35*15 mm Advantages: - Reduce or eliminate noise and fatigue due to vibration of pipework against the supporting structure - Prevention of galvanic corrosion due to the contact of dissimilar