from about 5% to about 20% by {HEAD ~ weight} of {TAIL ~ at least one organic rosin ester} 
of
from about 5 % to about 20 % by { HEAD ~ weight } of { TAIL ~ at least one organic rosin ester }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL