The Collaborative International Dictionary of English v.0.48:

melamine resin \melamine resin\ melamine-fromaldehyde methanal
resin \melamine-fromaldehyde methanal resin\ n.
   A thermosetting plastic formed by the reaction of melamine
   and formaldehyde. It is used for molding and for preparing
   laminated sheets used to surface counter tops, walls, and
   furniture. The commercially marketed Formica (TM) is one
   type of melamine resin.
   [PJC]

WordNet (r) 3.0 (2006):

melamine resin
    n 1: a thermosetting resin formed from melamine and an aldehyde;
         used in molded products, adhesives, and coatings