// Capability · Moulded

Custom rubber washers.

Flat, shouldered and sealing washers moulded or cut to your size and compound — for sealing under bolts and flanges, spreading load, insulating and damping vibration.

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Custom rubber washers in NBR, EPDM and silicone by Exonel Industries
// Where they fit

One part, several jobs.

A rubber washer seals the joint under a bolt or flange, spreads clamping load, electrically insulates and absorbs light vibration — often all at once.

Sealing washers

Seal fluid or gas at bolted and threaded joints, flanges and covers.

Spacing & load-spread

Protect soft or finished surfaces and distribute clamp load.

Insulating & damping

Break metal-to-metal contact for isolation and quieter assemblies.

// Match the compound

Pick the rubber for the duty.

NBR (Nitrile)

Oil, fuel and hydraulic service.

EPDM

Water, weather, steam and outdoor exposure.

Silicone (VMQ)

Wide temperature range; food and pharma grades on request.

FKM (Viton-type)

Heat with aggressive chemicals and fuels.

Neoprene / SBR

Balanced all-rounders for general and cost-sensitive use.

// FAQ

Common questions.

What is a rubber washer used for?

To seal a bolted or flanged joint, spread clamping load, insulate against metal-to-metal contact and damp light vibration.

Which rubber washer is best for water or oil?

EPDM for water, weather and steam; NBR for oil, fuel and hydraulic fluids. Silicone or FKM where temperature or chemicals are more demanding.

Can you make washers to my drawing or sample?

Yes — send a drawing or a sample and we match the size and the compound, moulded or cut to suit the volume.

Need rubber washers to spec?

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