Optimum IR element settings are {HEAD ~ a compromise} between heating time, through {TAIL ~ thickness temperature distribution} and polymer degradation 
through
Optimum IR element settings are { HEAD ~ a compromise } between heating time , through { TAIL ~ thickness temperature distribution } and polymer degradation
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH