How HotShotz Work
The HotShotz Heat Pack is an instant, portable and re-useable heat pack unlike
any other heat pack you have ever seen.
With a push of a button the HotShotz Heat Pack heats up to 130º within
seconds & continues to generate heat for one to seven hours depending on
the size of the pack used and insulation.
Now you can have instant soothing heat whenever and wherever you want
without the inconvenience of a cord or microwave. When your HotShotz Heat
Pack is no longer producing heat, all you have to do is boil it in hot water and it
will rejuvenate back to its liquid form. Ready to use again when and where
YOU want.
The general purpose of heat treatment is to encourage muscle relaxation and
to help relieve or reduce pain. The HotShotz Heat Pack helps to relax tight, stiff,
sore muscles allowing for easier and freer body movements. The HotShotz
Heat Pack can be used for neck and shoulder pain, back pain, and menstrual
cramps. Or any place heat comfort is desired.
By applying a low level of therapeutic heat to an area of pain or stiffness an
individual will experience increased blood flow through the tissue. This
increased blood flow helps to wash away substances that cause pain, while
delivering oxygen and nutrients to the injured, sore muscle area.
The HotShotz Heat Pack can also be utilized by outdoor enthusiasts of all
kinds It’s convenient, portable and is available in a variety of sizes to choose
from. It can also be used by pet lovers as well for arthritic or injured animals
providing heat therapy for your four legged friends.
The HotShotz Heat pack is safe and environmentally friendly. It contains a
safe, non-toxic substance, sodium acetate, a form of salt, vinegar and
water.
any other heat pack you have ever seen.
With a push of a button the HotShotz Heat Pack heats up to 130º within
seconds & continues to generate heat for one to seven hours depending on
the size of the pack used and insulation.
Now you can have instant soothing heat whenever and wherever you want
without the inconvenience of a cord or microwave. When your HotShotz Heat
Pack is no longer producing heat, all you have to do is boil it in hot water and it
will rejuvenate back to its liquid form. Ready to use again when and where
YOU want.
The general purpose of heat treatment is to encourage muscle relaxation and
to help relieve or reduce pain. The HotShotz Heat Pack helps to relax tight, stiff,
sore muscles allowing for easier and freer body movements. The HotShotz
Heat Pack can be used for neck and shoulder pain, back pain, and menstrual
cramps. Or any place heat comfort is desired.
By applying a low level of therapeutic heat to an area of pain or stiffness an
individual will experience increased blood flow through the tissue. This
increased blood flow helps to wash away substances that cause pain, while
delivering oxygen and nutrients to the injured, sore muscle area.
The HotShotz Heat Pack can also be utilized by outdoor enthusiasts of all
kinds It’s convenient, portable and is available in a variety of sizes to choose
from. It can also be used by pet lovers as well for arthritic or injured animals
providing heat therapy for your four legged friends.
The HotShotz Heat pack is safe and environmentally friendly. It contains a
safe, non-toxic substance, sodium acetate, a form of salt, vinegar and
water.
The Science Part
These heat pads are extremely cool to watch. Clicking the activator button starts the
crystallization process, and you can see the crystallization proceed through the liquid.
What is happening here is strange, but the process can be understood if you think
about water freezing. Water freezes at 32 degrees Fahrenheit (0 degrees C). If you
were to stick a thermometer in a cup of water and put the cup in the freezer, you would
find that the temperature of the water falls to 32 degrees F and then hangs there until
all of the water is completely frozen. Then the temperature of the solid water falls to
the temperature of the freezer.
What if you could somehow supercool the water? That is, say that you could get the
water's temperature to 10 degrees below the freezing point without it crystallizing into
a solid -- you can sometimes do this using a very clean glass and distilled water so
there are no points for the water to begin crystallizing. In this condition, if you tap the
glass the temperature of the water will jump up to 32 degrees F (0 degrees C), and
the water will solidify quickly.
A heat pack like the one you are describing contains sodium acetate and water. It
turns out that sodium acetate is very good at supercooling. It "freezes" at 130 degrees
F (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.
crystallization process, and you can see the crystallization proceed through the liquid.
What is happening here is strange, but the process can be understood if you think
about water freezing. Water freezes at 32 degrees Fahrenheit (0 degrees C). If you
were to stick a thermometer in a cup of water and put the cup in the freezer, you would
find that the temperature of the water falls to 32 degrees F and then hangs there until
all of the water is completely frozen. Then the temperature of the solid water falls to
the temperature of the freezer.
What if you could somehow supercool the water? That is, say that you could get the
water's temperature to 10 degrees below the freezing point without it crystallizing into
a solid -- you can sometimes do this using a very clean glass and distilled water so
there are no points for the water to begin crystallizing. In this condition, if you tap the
glass the temperature of the water will jump up to 32 degrees F (0 degrees C), and
the water will solidify quickly.
A heat pack like the one you are describing contains sodium acetate and water. It
turns out that sodium acetate is very good at supercooling. It "freezes" at 130 degrees
F (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.
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