A resin composition comprising a fluororesin having a hydroxy group or a carbonyl group, an ester bond-containing resin having no fluorine atom and a transesterification catalyst, a melt-kneaded product obtained by melt-kneading the resin composition, a molding product, film or sheet obtained from the resin composition or the melt-kneaded product, a laminated product, a backsheet for a solar cell, and a method for producing a molding product using the resin composition or the melt-kneaded product.