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bandmanjoe eNotes educator| Certified Educator

Resistance putty is a substance that has properties of both a liquid and a solid.  Having both physical states combined gives the putty a viscoelastic quality, making it pliable into different shapes, yet solid enough to hold those shapes once it is molded.  It has multiple uses and applications.  One of those applications is in physical therapy, where various resistance grades of putty may be used to help patients with manual desterity physical afflictions.  It might be easier to think of this as "weight lifting" for the hands and fingers.  Another application would be in the use of electronics and electronics circuit boards.  The putty can be made with differing amounts of conductivity and resistance, to impede the progress of electrical current through an electrical circuit.  One of the factors that would increase the resistance in the putty would be the length of the putty strand that is used, the longer, the more resistance.

sreetejshetty | Student

Silly Putty is a viscoelastic liquid. It acts primarily as a viscous liquid, though it can have properties of an elastic solid, too. Silly Putty is primarily polydimethylsiloxane (PDMS). There are covalent bonds within the polymer, but hydrogen bonds between the molecules. The hydrogen bonds can be readily broken. When small amounts of stress are slowly applied to the putty, only a few of the bonds are broken. Under these condition, the putty flows. When more stress is applied quickly, many bonds are broken, causing the putty to tear.

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