Quantum Re-heaterComes in following sizes: - Quantum QHFM Full Back Heat Pack
- Quantum QHFM 3X5 Hand Heat Pack 2 Pack
- Quantum QHFM 5X9 Heat Pack
- Quantum QHFM 6X18 Heat Pack
- Quantum QHFM 3X6 Heat Pack
- Quantum QHFM 8X8 Heat Pack
- Quantum QHFM 12X20 Heat Pack
- Quantum QHFM 8X12 Heat Pack
These heat packs are simply amazing! They are re-usable for years, easy to re-activate and quick to warm up to 130 degrees by the press of a button. This pack is excellent to get rid of the stress of the day and get your relaxing time in. Fade away with the a gentle warmth to help you relax. Functions of all Quantum Heat Packs: - Great for pain relief
- Joint stiffness
- Muscle spasms
- Sprains
- Strains
- Back pain
- Whiplash
- Arthritis
- Camping trips
- The 'time of the month' pains :-)
The Technical Explanation: - The RE-Heater Heat Pack contains sodium acetate which is a form of salt. Under normal conditions in an open container this molecular form will change from a liquid to a solid (freeze) at 130F (54C). By placing this solution in a sealed container, the solution can be cooled well below this temperature (as low as 14F) (-10C). Flexing the patented stainless steel "trigger" within the sealed container causes a single molecule of liquid to crystallize which starts a chain reaction causing the entire solution to change from a liquid to a solid. This phase change causes the pack to heat to approximately 130F (82 below the boiling temperature of water, 212F). By placing the pack in water with a temperature greater than 135F (57C), the crystals are returned to a liquid state. this process can be repeated hundreds of times, provided the container remains sealed.
Over long periods of use you may find some small snowflake-like crystals that may appear inside the pack. These crystals will not affect the performance of the pack. However it is possible to eliminate them by boiling the pack for an extended period of time. To prevent flakes from forming, keep the pack in a liquid state during storage periods of two or more months. 
- Doctors recommend not to use heat packs for more than 20 - 30 minutes in a row. You should also keep in mind to rotate heat with ice packs for things like muscle spasms and arthritis.
- Got a new injury? Always treat it with cold first for the first few days before switching to heat packs!
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