What Is Deglutition?

The degumming of silk fiber fabric is the main content of refining. The composition of silk includes sericin and silk fibroin, the purpose of which is to remove sericin, wax grease, pigments and the like wrapped around its outer layer. Commonly used degumming agents include soaps, proteolytic enzymes, and surfactants; alkaline agents used include sodium hydroxide, sodium carbonate, and sodium silicate.