disintegrate
Definition of abbreviation (noun) -
to fall apartPart of speech:
VerbOil can cause rubber to disintegrate.
More shamefully, some owners of newly acquired imposing homes delight in "libraries" which, seen in the gloom or at a distance, bestow a pretty glow of opulence and erudition but which, at close quarters, disintegrate into a heterogeneous muddle of worthless books, sometimes bought in bulk.
Equally important for vulnerable areas is the availability of safety glass -- toughened or laminated: toughened glass -- resists some impact, and shatters into harmless fragments when broken; laminated glass is much more difficult to break, and is held together by clear plastic film between the layers of glass, so won't disintegrate.