| 主权项 |
1. A metal gasket material plate comprising:
a sealing layer formed by layering a chemical coating layer, an adhesive layer, and a rubber coating layer in order on at least one side of a metal plate, wherein the chemical coating layer is formed by a thermosetting surface preparation agent including inorganic compound particles and a metal alkoxide compound, the adhesive layer is a layer with a thickness of 2 μm to 5 μm formed by an adhesive that includes at least one epoxy compound selected from the group consisting of a novolac epoxy compound, a bisphenol A epoxy compound, a bisphenol F epoxy compound, a cresol novolac epoxy compound, a naphthalene epoxy compound, a glycidyl ester epoxy compound, a glycidylamine epoxy compound, a heterocyclic epoxy compound, and a rubber-modified epoxy compound, and at least one anti-corrosive pigment selected from the group consisting of a phosphoric acid anti-corrosive pigment, a molybdic acid anti-corrosive pigment, and a phosphomolybdic acid anti-corrosive pigment, the rubber coating layer is formed by a rubber agent including rubber, and an average length of the anti-corrosive pigment is 0.5 μm to 4 μm, and a proportion of the anti-corrosive pigment is 10% to 30% by weight with respect to 100% by weight of the epoxy compound. |
