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30-Jul-2017 09:08

The inventor of paper is traditionally assumed to be Chai Lun (or Ts'ai Lun), who was the head of a royal workshop in 2nd century China.

However recent archaeological evidence suggests paper was in use in China two hundred years earlier.

Another vital ingredient was birch leaves, from which the mucilage was drained out for strengthening the paper, and giving it evenness and smoothness.

All the fibrous material, once softened, was beaten into a pulp which was said to be rather like porridge, and the birch leaf extract was added. The great thing about Chai Lun's invention was that his paper could be mass-produced.

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