When buyers search for “What temperature does a color changing mug activate?”, they are usually not just curious — they are evaluating product performance, safety,
No. The color change is reversible and designed for daily reuse. The primary material in the color-changing cup is a thermochromic coating—an ink that alters
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