Finer Power NBR 70 O-Ring Cord, diameter (inch) 1/2

NBR (nitrile rubber) 70 durometer O-ring cord in 6 imperial diameters from 1/16 to 1/2". Sold by the metre and cut to length.

Cut the cord to length and join the ends to make an O-ring for a non-standard groove, or to replace a seal when the standard size is not at hand. Nitrile rubber has good resistance to hydrocarbon fuels, greases and mineral oils.

Where this product is used

• Making custom O-rings for non-standard grooves
• Emergency and workshop seal repairs
• Replacing O-rings in older or unusual equipment
• Prototype and one-off sealing jobs

Features

• Nitrile rubber (NBR), 70 durometer
• 6 imperial diameters, 1/16 to 1/2"
• Sold by the metre and cut to length
• Make custom O-rings for non-standard grooves

Key specifications

Sizes available

Choosing the right option

Choose the cord diameter to match the cross section of the O-ring or the groove. Cut the cord to the length of the groove centreline, allowing for the join, and join the ends with a suitable adhesive.

A joined cord seal is a repair or workshop solution. Where a standard size is available, a ready-made O-ring is under NBR 70 O-Ring, BS Series, 3/32" Cross Section, 1/16 to 9-3/4" ID and NBR 70 O-Ring, BS Series, 1/8" Cross Section, 3/16 to 18" ID. Cord is also offered in NBR 70 O-Ring Cord, Metric, 1.5 to 16mm Diameter.

Check that the fluid and the operating conditions suit nitrile before fitting.