| 摘要 |
A sponge having the following components by percentage of total weight of the sponge: polyoxyalkycene polyolo between about 15% to 45%; tolvene diisocyanate between about 5% to 25%; a flame retardant less than 10%; water less than 10%; polypropylene glycol between about 8% to 19%; slow rebound polyether between about 10% to 20% and silicone oil less than about 2% and wherein said sponge has a volume about 3.5 times less than expanded when compressed in a vacuum sealed package.
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