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How does a color changing cup work?
The cup uses heat sensitive (thermochromic) coating.
When hot liquid (usually above 45–60°C) is poured in, the coating becomes transparent and reveals the printed design underneath.
Nov 11th,2025
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The cup uses heat sensitive (thermochromic) coating.
When hot liquid (usually above 45–60°C) is poured in, the coating becomes transparent and reveals the printed design underneath.
