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Will the performance of phase change ice boxes decline year after year after repeated freezing and thawing?

2026-06-13

Phase change ice boxes produced by qualified large manufacturers feature highly stable formulas. Under standard use, they maintain steady cold storage and constant temperature performance after hundreds of freeze-thaw cycles with no obvious performance degradation.

However, harsh conditions such as prolonged exposure to high temperature and direct sunlight, heavy compression, impact, and frequent partial freezing and thawing will cause stratification, precipitation and reduced activity of the internal medium. Symptoms include shorter cold retention time, unstable temperature control and premature temperature rise.

Avoid rough use, pre-cool the boxes as required and store them in a cool place away from sunlight. The ice boxes can work stably for years with negligible performance loss, fully meeting the demands of commercial and household repeated use.

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