Back sheet and a solar cell module for a solar cell module

Cured coating layer of fluoropolymer coating material formed on one or both sides of the substrate sheet, fissures, whitening, without causing delamination problems, back sheet for a solar cell module with excellent productivity Lightweight the provision of. As the cured coating film layer of fluoropolymer coating material formed on one side or both sides of the substrate sheet, repeating units based on a fluoroolefin (a), repeating units based on a crosslinkable group-containing monomer (b), and, quaternary carbon atoms repeating units and an alkyl group having 2 to 20 carbon atoms and a polymerizable unsaturated group is based on the alkyl group-containing monomer as linked by an ether bond or an ester bond (c) containing no fluorine-containing polymer having a (a) a solar cell module using the back sheet and the back sheet for a solar cell cured coating layer of coating material is formed containing.