Soap (1948)

The film details the process of soap making, starting with Carl Mason’s laboratory demonstration using fat and sodium hydroxide (lye). It explains the chemical reaction known as saponification, where fat reacts with lye to produce soap and glycerin. Carl’s homemade soap undergoes a week-long curing process before testing its cleansing abilities. The film then transitions to a commercial soap-making facility, showcasing the large-scale production process, from receiving raw materials to refining, mixing with lye, and finally shaping and packaging the soap for distribution.

Keywords
soap making, saponification, Carl Mason, laboratory demonstration, fat, sodium hydroxide, glycerin, commercial production, refining, emulsification, cleansing

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