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sponge rubber

a light, spongy rubber, usually prepared by bubbling carbon dioxide through or whipping air into latex, used for padding, insulation, gaskets, etc.; foam rubber.
Origin of sponge rubber
1885-90 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sponge rubber
  • So they filled the shell with sponge rubber and modified the design.
  • To seal the cut end of the bag, use sponge rubber to protect the bag from the clamps.
  • Neoprene sponge or vinyl foam is more durable than sponge rubber or polyurethane foam.
  • sponge rubber, stone slab, linoleum and unglazed ceramic shall not be used in equipment construction.
  • Gaps between the pods were aerodynamically sealed with sponge rubber.
  • The permeation barriers consisted of nylon carpet over sponge rubber and urethane foam cushion, and vinyl tile flooring.
  • Apply grout with plasterer's trowel or sponge rubber float in sweeping strokes from the bottom up.

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