Boiling-Off Silk
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A one-page technical article on the rinsing stage of boiling-off (degumming) silk, by chemical engineer J. L. Girard. It explains why soap cannot be fully removed and why a trace of fatty acid gives silk its 'craquant' handle. It lists the conditions for good rinsing: soft water free of lime and magnesia, soaps such as oleine or olive oil that rinse well, a weak soda (lisbordage) bath, and an acid avivage finish. It also gives practical notes on temperature and equipment.
- Type
- Article
- Date
- September 1919
- Language
- English
- Pages
- 1
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From Ralph Griswold's Digital Archive, delivered by the University of Arizona.
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