Macintosh found that naphtha - a volatile, oily liquid created in the distillation the aforementioned coal tar, as well as petroleum - could be used to waterproof fabrics.
Substrates: fiber, polyester-coton, waterproof fabrics, various kinds of fabrics, metals, electronic materials, special bond effects in PVC plastics and other materials.
In 1823, he patented what was the first truly waterproof fabric, supple enough to be used in clothing.
Giant pillow made from waterproof fabric cab be used as a bed.
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