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