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What’s different about rubber moulding and rubber extrusion?

What’s the difference between a moulding and an extrusion?

The differences between rubber moulding and rubber extrusion are really simple. The are different manufacturing methods for producing shaped rubber components.

The easiest way to know the difference between extrusions and mouldings is simple.

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Rubber extrusions

Extrusions are moulded items such as tubes which can be produced in endless lengths. Extrusion involves forcing uncured rubber through a shaped tool and curing immediately afterwards. Extruding rubber is like turning a tap on that produces whatever 2 dimensional profile you require in continuous length.

Tubing is by far the most common type of extrusion but extrusions are commonly found in seals and

Shop for extrusions

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Rubber Mouldings

Mouldings are the opposite. Mouldings are 3 dimensional shapes. Mouldings are produced by forcing uncured rubber into a mould with no exit. The mould is then emptied and the cycle repeated. Mouldings are always numbers of parts produced.

Plugs, caps, o-rings, seals & gaskets are more common mouldings used in industrial applications.

Shop for mouldings

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