Handmade from the tough bark of the Tara Wing-Celtis or Blue Sandalwood tree and rice straw, Xuan paper is known for its strong, smooth surface, its ability to absorb water and moisten ink, and fold repeatedly without breaking.

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The polymers used can be dissolved in water to form an ink, which can be sprayed on the product.

ECONOMIST: SEMICONDUCTORS: Move over, silicon | The

Before printing, the stone is washed with ink and water.

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