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Ice Pad Adopts Modern High-Tech Biotechnology and the Latest Scientific Formula.,Use Advanced“New Technology of Rapid Excitation Molding of Biological Ice”Developed,The Principle Is That When the Pad Inner Material Touches an Object with a Higher Temperature than It(Such as Human Body),It Will Gradually Change from Solid to Liquid,This Is the Endothermic Process.,Keep the Temperature Constant during This Process.,The Temperature Will Not Rise until All Are Converted into Liquid.,The Process of Absorbing Heat Can Last for Several Hours.,The Heat Absorbed by Phase Transformation Per Kilogram of Material Is about190000J,and1The Heat Absorbed by the Temperature Rise of Kilograms of Water Is about4200J,The Former Is the Latter45Times,Therefore, the Heat Absorption Capacity of Ice Pad Is Huge.。