Credit at the end says: "A Jam Handy Picture"
June 10, 1952: Marketing Mylar With a Film About a Film | This Day In Tech | Wired.com: The film about a film has an almost hypnotic quality as the smooth-voiced presenter makes repeated, unsuccessful assaults on Mylar materials with corrosive chemicals, high voltage, and extreme heat and cold. For the sports-minded, baseball bats and bowling balls attack Mylar without result, a trampolinist jumps up and down on it without making it tear or stretch, and a trapeze artist flies through the air with greatest of polyester ease.
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