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Thanks to the discovery of a new material, Fusing point cup can not only help cool down hot drinks quickly but also keep at suitable temperature for drinking for a long time. The melting point of this material which is used in the interlayer of cup, is 65℃. When drinks are too hot, the material will melt itself by absorbing heat so as to cool down hot drinks. However,when liquid temperature is below 65℃, it will release the heat absorbed before to solidify itself,thus slowing down the cool-down progress.We easily know whether it's fit for drinking according to color of the rim.
Donglin Yao; Jinyi Chen; Xi Wang; Qiuying Xu;