Available exclusively at Trade Shows, good mark-up. Territories available.

Our hot pads contain food-grade sodium acetate and water. It turns out that sodium acetate is very good at supercooling. It 'freezes' at 130 degrees F or 54 degrees C, but it is happy to exist as a liquid at a much lower temperature and is extremely stable. Clicking the disk, however, has the ability to force a few molecules to flip to the solid state, and the rest of the liquid then rushes to solidify as well. The temperature of the solidifying liquid jumps up to 130 degrees F in the process.

When you boil the solid you melt it back to the liquid state. You have to completely melt every crystal, by the way, or the liquid will quickly re-solidify. You can repeat this cycle forever theoretically, just as you can freeze and melt water as many times as you like. The plastic pouch eventually wears out and leaks, and since sodium acetate is a food additive it is non-toxic.

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Hot-Pads Inc Company profile Business Type: Year Established: 2001 Number of Employees: Legal Representative / CEO: Martin Moser Website: http://www.hot-pads.com Certificates: Quality Assurance & Certificates: Brands: Trade & Market Main Markets: Key Customers: Export Percentage: Trade Shows: Company Information Factory Size & Location: Annual Reports / Articles: QA/QC: Customer Satisfaction Assurance: Our Teaam and Staffs: Manufacturing facility: