{HEAD ~ Polyisobutylene} is disposed on the surface of the fibers to form {TAIL ~ treated fibers} having a treated thickness 
{ HEAD ~ Polyisobutylene } is disposed on the surface of the fibers to form { TAIL ~ treated fibers } having a treated thickness
HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH