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Rubber washers

Rubber Washers Moulded, from 4 mm to 900 mm OD

Washers go into a very wide range of products. We mould them for OEMs and machine manufacturers, in quantities from a handful to millions.

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Moulded rubber washers and flat seals in EPDM, silicone and NBR from small bore up to large flange sizes
What we make

Over 1,000 sizes already tooled

All our washers are moulded. We already hold moulds for over 1,000 sizes, so there is a fair chance yours is one of them. Send us the dimensions and we will check before quoting for a new mould.

Process
Moulded
Existing moulds
Over 1,000 sizes
Size range
4 mm OD to 900 mm OD
Hardness
30 to 90 Shore A
Materials
Any of our compounds
Quantities
From a handful to millions
Custom sizes
Made to your drawing

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Where washers fail

A washer is only as good as its compound

The most common mistake with washers is letting the supplier cut corners on the compounding. A washer is a simple shape, so it is tempting to buy on price alone. The right compound is what makes a washer keep sealing for much longer.

Every batch of our compound is checked for hardness, cure and porosity before it is used, and we do not bulk our compounds out with cheap filler. Quality and consistency really matter to us at Silton. Read our Purity Promise.

Related

Need a gasket rather than a washer?

Shaped, hollow or large seals are on the gaskets and seals page, with extruded, moulded, joined and sponge options.

Questions

Rubber washers

From 4 mm OD up to 900 mm OD.

Yes, for over 1,000 washer sizes. Send your dimensions and we will check before quoting for a new mould.

Any of our compounds, from 30 to 90 Shore A.

From a handful to millions.

Usually because the compound was made to a price. The right compound is what makes a washer seal for much longer, which is why every batch of ours is tested before use.

Send us your washer sizes

Send the OD, ID, thickness, material and quantity. We will check our existing moulds first.

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