Preferably, {HEAD ~ the saturated polyester polyols} comprising {TAIL ~ part} A are characterized by an equivalent weight of about 225 to about 600, an acid number not greater than about 4 and a hydroxyl number of about 104 to about 220 
comprising
Preferably , { HEAD ~ the saturated polyester polyols } comprising { TAIL ~ part } A are characterized by an equivalent weight of about 225 to about 600 , an acid number not greater than about 4 and a hydroxyl number of about 104 to about 220
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH