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What chemical substances are contained in the color-changing cup?
2026-02-10
Physical Barrier (Micro-encapsulation): The color-changing active ingredient is permanently sealed within polymer microcapsules. Due to their enormous molecular weight, these particles cannot penetrate the capsule walls and enter drinking water.
Is it safe to drink water from color-changing cups?
2026-02-10
"Safety is our top priority. Our magic cups utilize encapsulated thermochromic pigments integrated into 100% BPA-free, food-grade PP material. The color change is a physical reaction, not a chemical one, ensuring no migration of substances into your drink. All products are FDA & LFGB compliant for your peace of mind."
What temperature activates the color change?
2026-02-02
Most color changing cups are activated at 45–60°C (113–140°F). Custom activation temperature is available for OEM orders.
How does a color changing cup work?
2025-11-11
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.
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