Sandite

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Sandite is a substance used on railways in the United Kingdom to deal with the issue of leaves on the line, which can cause trains to slip and become damaged. It consists of a mixture of sand, aluminium and a unique type of adhesive.

Leaf build up on the railhead can also cause signalling issues and disappearing trains on the rail control systems.

It is usually applied by a special train which first clears fallen leaves from the rails, then sprays the sandite on. Units used for this have included:

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