▁are ▁formed ▁by ▁combining ▁two ▁bi - ▁or ▁higher ▁functional ▁mon om ers / ol ig om ers . ▁ ▁Poly ure a / poly ure th ane ▁hy br ids ▁used ▁for ▁ab ras ion ▁resist ant ▁water proof ing ▁coat ings . ▁▁ ▁V ul can ized ▁rub ber . ▁ ▁Bak el ite , ▁a ▁phen ol - form al de hy de ▁res in ▁used ▁in ▁elect rical ▁ins ul ators ▁and ▁pl astic ware . ▁ ▁D uro pl ast , ▁light ▁but ▁strong ▁material , ▁similar ▁to ▁Bak el ite ▁used ▁for ▁making ▁car ▁parts . ▁ ▁U rea - form al de hy de ▁fo am ▁used ▁in ▁p lywood , ▁particle board ▁and ▁medium - dens ity ▁fib re board . ▁ ▁Mel am ine ▁res in ▁used ▁on ▁work top ▁surfaces . ▁ ▁D ial ly l - ph th al ate ▁( D AP ) ▁used ▁in ▁high ▁temperature ▁and ▁mil - spec ▁elect rical ▁connect ors ▁and ▁other ▁components . ▁Usually ▁glass ▁filled . ▁ ▁E po xy ▁res in ▁ ▁used ▁as ▁the ▁matrix ▁component ▁in ▁many ▁fi ber ▁rein for ced ▁pl ast ics ▁such ▁as ▁glass - re in for ced ▁pl astic ▁and ▁graph ite - re in for ced ▁pl astic ; ▁casting ; ▁electron ics ▁enc aps ulation ; ▁construction ; ▁protect ive ▁coat ings ; ▁ad hes ives ; ▁se aling ▁and ▁joining . ▁ ▁E po xy ▁nov ol ac ▁res ins ▁used ▁for