Mighty Putty is an epoxy putty adhesive that resembles putty and is intended for use in household repairs. It is made up of a hardener substance (dark green on the outside), and a base substance (light gray on the inside). It is used by 'kneading' the two layers into each other, causing an exothermic chemical reaction similar to that of Bondo. The cylindrical shape of the base and hardener putty means that the user does not have to measure separate amounts of the substances as with some liquid epoxies. Mighty Putty claims to easily bond to a wide variety of surfaces, including wet surfaces. Unlike many other types of glues, epoxy adhesives are capable of filling gaps and even being used as a structural part by molding. It is advertised on television in the form of an infomercial, hosted by the late Billy Mays. In February 2008, the Dallas/Fort Worth FOX affiliate KDFW-FOX4 reviewed Mighty Putty on its "Deal or Dud" segment. Average people and the reporter struggled to get the product to work as advertised.
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