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Winter shipping often means facing freezing temperatures, snow, and even sub-zero conditions. One of the most common questions we receive is whether UniHeat packs still work effectively in extreme co …

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The Science Behind Heat Packs: How They Generate Warmth Have you ever wondered how UniHeat packs stay warm for hours—or even days—without batteries or electricity? These small, lightweigh …

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Heat packs are vital for keeping temperature-sensitive shipments safe in transit, but not all warmers are the same. The two main types are adhesive and non-adhesive heat packs. While both can help ma …

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When shipping temperature-sensitive items—whether it's tropical plants, reptiles, or specialty foods—choosing the correct heat pack duration can make the difference between a safe arrival …

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