1.   It is the crucial ingredient of detonation-sheet explosive, a rubbery substance that is rolled into thin sheets, usually with an adhesive on one side.

2.   Made for exercising the forearm, the putty is a rubbery substance cooked up in a lab.

3.   The first garments appeared to be made from a rubbery substance that resembled floor tiles.

4.   She also switched the shafts of her irons to steel with Senicore, a rubbery substance that softens the impact.