Testing Quilon water repellent, 1950s. Quilon chrome complex, a chemical that makes materials water repellent, was developed in DuPont's Industrial and Biochemicals Department. It greatly increased the wet strength of paper and was also widely used in treating felt hats, shoe leather and garment suede. Garments of sheepskin suede treated with Quilon could be dry cleaned by ordinary methods, without special processing. Here a DuPont chemist makes an experimental batch for test coatings. Photographed in the 1950s. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Hagley Museum And Archive |
Bildgröße: | 3000 px × 2950 px |
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