OIL TYPE RELEASE AGENT FOR METAL CASTING, SPRAY METHOD, AND ELECTROSTATIC SPRAY APPARATUS

摘要

There is disclosed an oil type release agent for metal casting includes 0-7.5% by mass of water consisting of one or two kinds of water selected from distilled water, ion-exchange kinds of water, tap water and water includes any one of aforementioned kinds of water and electrolyte(s) dissolved in any one of aforementioned kinds of water, and 0.3-30% by mass of a solubilizing agent, a spray method using the oil type release agent, and an electrostatic spray apparatus.