Which products contain sodium polyacrylate

The Chemical In Gel Ice Pack Bag: Sodium Polyacrylate

Gel ice pack

Gel ice pack, also known as cold pack, is the replacement product for traditional ice packs.

It can be used to:

  • lowering body temperature;
  • Transportation of medicine, food, flower;
  • circumvented the emergency pain associated with sports injuries.

Unlike conventional ice packs, ice packs have become increasingly popular.

Benefits of Gel Ice Pack

  • Soft feeling and beautiful appearance;
  • Effectively curb the growth of bacteria;
  • More effective. (Its specific heat is 3-4 times that of ice)

What chemical is in ice packs?

It's sodium polyacrylate.

As a kind of superabsorbent polymer, sodium polyacrylate can absorb a lot of water and turn into a gel form.

One gram of sodium polyacrylate can hold 300-1000 grams of pure water. In other words, it is enough to contain 1 gram (or less) of sodium polyacrylate for each gel ice pack.

Benefits of sodium polyacrylate

  • high specific heat capacity;
  • low cost (for each gel ice pack);
  • non-toxic & environmentally friendly;

Other uses of sodium polyacrylate

With the exception of gel ice packs, it can be used in every aspect of our lives:

  • Thermal insulation material (ice towels, ice pillows ...);
  • absorbent material (e.g. in paper diapers, sanitary napkins, care pads ...);
  • Water blocking material (e.g. inflatable sandbags, waterproof for cables ...);
  • expanding material (inflatable toy).

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