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actually, you can.

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Wiki User

βˆ™ 14y ago
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Anonymous

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βˆ™ 3y ago
you sure
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Anonymous

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βˆ™ 3y ago

NO do not freeze or reuse it i read it somewhere else and they said that they get frost bite (the packs not you ) and they got a burn from it . if you don't believe me search more about it and if you found out that you can great post it please

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Anonymous

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βˆ™ 3y ago
aculy someone said they always are going to be iceΒ 
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Anonymous

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βˆ™ 3y ago
that was me who said the answer

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Q: Why can't you refreeze instant cold packs?
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Related questions

Can you refreeze or refrigerate an instant cold pack?

can you refreeze cold packs


Instant cold packs can be reused?

Instant cold packs cannot be reused once they are activated. The chemical makeup inside the package was created for one time use.


Where can you find ammonium nirate?

inside most instant cold packs


Does nexcare instant cold packs have amonia nitrate?

According to the msds it should, if you can see 2640 written on it anywhere.


What are some retailers that sell cold packs?

Cold packs can be purchased at most big box stores such as Walmart or Target in their first aid section. They are commonly known as ice packs where one can either break the bag to make instant cold to treat injuries or they can be shaken to create the same effect.


Can frozen mashed potatoes refreeze if soft but cold?

No No No


What keeps lunch cold?

Ice packs keeps lunches cold.


How do cold packs work?

Instant hot and cold packs are used by athletes to quickly and conveniently treat an injury. They last for about 20 minutes. The packs take advantage of chemicals that either absorb a lot of heat or release a lot of heat when dissolved in water. When a chemical process absorbs a lot of heat it is called endothermic. When heat is released, it is called exothermic. In cold packs, ammonium nitrate is used because it absorbs a lot of heat when it dissolves in water. The water and ammonium nitrate are in separate compartments in the pack. When the cold pack is needed, the chambers are broken and the ammonium nitrate dissolves in the water, absorbing heat and making the pack as cold as 0C. In hot packs, calcium chloride or magnesium sulphate are used, along with the water. They release heat when the chambers are broken and the chemical dissolves in the water. A hot pack can reach a temperature of 90C. :)


Can you make meth with urea cold packs instead of ammonia nitrate?

no you cant. your thinking of the shake n bake one pot method and one has to use amonia nitrate, not urea.


Can you make a rocket with a instant cold pack?

no


Who invented instant cold packs?

The first of the instant cold packs was a liquid-type invented by Albert A. Robbins and patented August 11, 1959. Robbins' "Chemical Freezing Package" involved and outer pouch containing two separate compartments for water and ammonium nitrate that would mix and freeze when the user split a perforation between the two - say by hitting or snapping the package as we would with the modern variety. Robbins' patent was assigned to Kwik-Kold of America. Parent company Cardinal Health continues to market this, and the more recently invented gel-type cold packs, to this day.


Do cold packs absorb energy?

No, they release energy.