A curable composition includes components: a) at least one ethylene-propylene-(nonconjugated diene) terpolymer； b) at least one ethylene-propylene copolymer； c) at least one bis(halomethyl)triazine crosslinker； and d) at least one tackifier. A weight ratio of component a) to component b) is in a range of from 15:85 to 85:15. A pressure-sensitive adhesive includes an at least partially crosslinked reaction product of the curable composition. Adhesive articles including the pressure-sensitive adhesive are disclosed.
