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Fuller's Earth

A naturally occurring clay material that has the property of decolorizing oil and grease.

In the past raw wool was cleaned of grease and whitened by kneading it in water with Fuller's Earth; a process known as fulling.

Fuller's Earth now widely used to decolorize fats and oils and also as an insecticide carrier and drilling mud. The largest deposits occur in the USA, UK and Japan.

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