LAYERED PRODUCT FOR FUEL BATTERIES

Provided is a laminated body for fuel cell which improves the uniformity of distances between separators when applied to a fuel cell stack. A laminated body for fuel cell having an outer peripheral shape corresponding to an outer peripheral shape of a fuel battery cell, the laminated body for fuel cell including: 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 T1max-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.