Depending on the starting proportion of blowing agent, the resulting foam products of this invention have densities from about 1.5 to {HEAD ~ about 20 pounds} per {TAIL ~ cubic foot} , those having densities from about 1.5 to about 6 pcf being called low density foams herein 
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Depending on the starting proportion of blowing agent , the resulting foam products of this invention have densities from about 1.5 to { HEAD ~ about 20 pounds } per { TAIL ~ cubic foot } , those having densities from about 1.5 to about 6 pcf being called low density foams herein
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