Lupraphen 8106 Difunctional, aliphatic, polyester polyol BASF-Elastogran PU - Polyols >> Polyester Lupraphen 8106 is a difunctional, aliphatic, polyester polyol. Lupraphen 8106 is used for the production of polyurethane elastomers. Difunctional, aliphatic, polyester polyol. Possesses low reactivity. Used for the production of polyurethane elastomers.