e) optionally, a polymeric stabilizer in {HEAD ~ an amount} of from {TAIL ~ about 0.1 to about 3 parts} by weight per 100 parts by weight of the microspheres 
e ) optionally , a polymeric stabilizer in { HEAD ~ an amount } of from { TAIL ~ about 0.1 to about 3 parts } by weight per 100 parts by weight of the microspheres
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH