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