Metal paste

A metal paste comprising a solid content of a silver particle having a protective agent bound to the particle and kneaded with a solvent,

• wherein the metal paste does not comprise a glass powder;
• the solid content comprises silver particles including a silver particle having a particle size of 100 to 200 nm in a ratio of 30% or more in terms of the number of particles, and an average particle size of the whole silver particles is 60 to 800 nm,
• the protective agent bound to the silver particle is at least one amine compound having 4 or more and 8 or less carbon atoms,
• the solvent is a mixed solvent in which at least two organic solvents of a solvent (A) and a solvent (B) are mixed,
• the solvent (A) is at least either dihydroterpineol or terpineol,
• the solvent (B) comprises at least one organic solvent having a boiling point of 240° C. or more and a Hansen solubility parameter distance Ra from dihydroterpineol of 3.0 MPa1/2 or less and containing two or more ester groups in a structure thereof,
• the mixed solvent has a Hansen solubility parameter distance Ra from dihydroterpineol of 0.42 MPa1/2 or less,
• the metal paste further comprises a high molecular weight ethyl cellulose having a number average molecular weight of 40000 to 90000 as a first additive, and a polyvinyl acetal resin as a second additive, and
• the solvent (B) is selected from the group consisting of diisobutyl adipate, glycerol tributyrate, acetylcitric acid triethyl ester, glycerol triacetate, dibutyl sebacate and diethyl adipate.