Laminated body for fuel cell

A laminated body for a fuel cell having an outer peripheral shape corresponding to an outer peripheral shape of a fuel battery cell, the laminated body comprising:

• a resin substrate film and
• a heat seal layer disposed on each of both surfaces of the resin substrate film,
• wherein
• the resin substrate film has a storage elastic modulus of 2,000 MPa to 8,000 MPa,
• the resin substrate film has an average thickness of 30 μm to 300 μm,
• a maximum value T1max and a minimum value T1min of a thickness of the resin substrate film measured in a peripheral edge portion of the resin substrate film satisfy a relationship of T1maxl -T1min≤12 μm,
• a maximum value T2max and a minimum value T2min of an average value of thicknesses of the resin substrate film measured at every 10 adjacent points in the peripheral edge portion of the resin substrate film satisfy a relationship of T2max-T2min≤6 μm, and
• the heat seal layer has an average thickness of 25 μm to 100 μm.