The insulating paper includes {TAIL ~ wood pulp fiber}, {HEAD ~ a synthetic fiber}, and a binder material 
The insulating paper includes { TAIL ~ wood pulp fiber } , { HEAD ~ a synthetic fiber } , and a binder material
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH