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Central Glass and AIST make recyclable coloured glass

The National Institute of Advanced Industrial Science and Technology and Central Glass Co. announced in December 2001 that they had jointly developed recyclable colored glass.
The Kansai branch of Ja…

The National Institute of Advanced Industrial Science and Technology and Central Glass Co. announced in December 2001 that they had jointly developed recyclable colored glass. The Kansai branch of Japan“s largest public research organization in Ikeda, Osaka Prefecture, teamed up with the Tokyo-based glass product maker to realize the technology, aiming to commercialize it in two years. The new glass, with silver particles blended in, is coloured when it is exposed to the X-ray or ultraviolet ray. Letters and patterns can also be printed on the glass. It is suitable for recycling as it loses colours and prints when heated up to 300 to 550C. Used colored glass is usually disposed of because it is hard to recycle. If the new glass spreads, the glass recycling rate should increase significantly, an AIST official said.

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