The purpose of the present invention is to provide a stabilizer composition capable of imparting, to a vinyl chloride-based resin for foam molding, superior processability and high producibility. The stabilizer composition for a vinyl chloride-based resin for foam molding according to the present invention contains, with respect to 100 parts by mass of component (A), 5-700 parts by mass of component (B) and 5-200 parts by mass of component (C). Component (A): A zinc salt of an organic acid. Component (B): A metal salt selected from the group consisting of barium salts of organic acids, barium salts of overbased carbonic acids, calcium salts of organic acids, and calcium salts of overbased carbonic acids. Component (C): An oxidized polyethylene wax.
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