Abstract: Provided are a laminate including a metal substrate having a surface with an anodic oxide coating formed thereon, a fluororesin layer laminated in contact with the anodic oxide coating and a fluoroelastomer layer laminated in contact with a surface of the fluororesin layer facing away from the metal substrate, and a gate seal including the laminate.

Abstract: Provided is a method for producing a high-strength electrode film for an EDLC, where scraps generated when producing the electrode film are reusable. The method for producing an electrode film for an electric double-layer capacitor includes a step of kneading a carbonaceous powder, a conductive assistant, and a fluororesin binder, and producing a shaped product from the obtained kneaded product, a step of pulverizing the shaped product to produce a modifying material having an average particle diameter of 5 to 100 ?m, and a step of kneading a carbonaceous powder, a conductive assistant, a fluororesin, and the modifying material in a ratio of 1 to 40% by weight of the modifying material with respect to 100% by weight in total of the carbonaceous powder, the conductive assistant, the fluororesin, and the modifying material, and rolling the obtained kneaded product to produce an electrode film for an electric double-layer capacitor.

Abstract: Provided are a perfluoroelastomer composition which contains 100 parts by weight of a perfluoroelastomer containing a constituent unit derived from a nitrile group-containing monomer, and 0.01 to 5 parts by weight of ketjen black; and a sealing material including a crosslinked product of the perfluoroelastomer composition.