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