Polymers: "Man-Made Miracles" 1954 BF Goodrich; Plastics, Elastomers, Synthetic Rubber...
Support this channel: https://paypal.me/jeffquitney OR https://www.patreon.com/jeffquitney more at http://quickfound.net/ Learn about the chemistry in making rubber. Originally a public domain film, slightly cropped to remove uneven edges, with the aspect ratio corrected, and one-pass brightness-contrast-color correction & mild video noise reduction applied.