Hand warmers contain a special sodium acetate solution that gives off heat when you press a metal disc, triggering the liquid to turn into crystals. They can be reused by boiling them in water to dissolve the crystals back into the liquid.

Hand warmers contain a special sodium acetate solution that gives off …

Products Products 0 601 2024.11.19 22:51

Hand warmers contain a special sodium acetate solution that gives off heat when you press a metal disc, triggering the liquid to turn into crystals. They can be reused by boiling them in water to dissolve the crystals back into the liquid.

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