{TAIL ~ The blended mixture} is thereafter extruded into a sheet at temperatures in the range of {HEAD ~ about 490°} to 530° F 
{ TAIL ~ The blended mixture } is thereafter extruded into a sheet at temperatures in the range of { HEAD ~ about 490 ° } to 530 ° F
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH