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Water crystal gel or water beads is any gel which contains a large amount of water. Water gel is usually composed of a water-absorbing polymer such as a polyacrylamide (frequently Poly(methyl acrylate) or Sodium polyacrylate). Sometimes referred to as superabsorbent polymer (SAP) or, in dry form, as slush powder.
Uses
Water gels are used for:
References
Water gel (plain) Wikipedia(Text) CC BY-SA