Phase Change Material (PCM) |
What is Phase Change Material?
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Phase change material (PCM) is a substance that absorbs, stores, and releases significant amounts of thermal energy during its phase transitions, typically between solid and liquid states. This thermal energy exchange enables PCMs to regulate and maintain specific temperatures in various applications, such as food shipping, medical supply transport, building insulation, and renewable energy storage.
The working principle of PCM is based on its latent heat of fusion—the energy absorbed or released as it melts or solidifies. When the PCM melts, it absorbs heat from its surroundings, maintaining a stable temperature during the phase change. Conversely, as it solidifies, it releases stored energy, keeping the environment warm. This ability to stabilize temperatures makes PCM an effective solution for applications requiring precise thermal control. |
When should Phase Change Material be used?
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Phase change material (PCM) is versatile, making it ideal for delivering both frozen food and food that must be kept above freezing. PCMs can be engineered to maintain specific temperature ranges, ensuring frozen foods stay at sub-zero temperatures while perishable items like dairy or fresh produce remain safely refrigerated without freezing.
Unlike dry ice, PCMs provide precise temperature control, preventing damage from extreme cold. They are reusable, eco-friendly, and reduce waste. By matching the PCM to the required temperature range, businesses can optimize food safety and quality, ensuring both frozen and refrigerated goods arrive in perfect condition during transit. |
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