Silk yarn (other than yarn spun from silk waste), not put up for retail sale.

Silk yarn (other than yarn spun from silk waste) not put up for retail sale

Source: eu_cn_en (EUR-Lex 02019XC0329(02)-20250113)

Unbleached, scoured or bleached Unbleached silk yarns consist of one or more twisted grège threads; they have not yet been discharged (degummed). The unbleached silk yarns may contain up to 30 % of sericin (natural gum), and in most cases still have their natural, slightly yellowish colour. Unbleached silk yarns are usually further treated, but can be directly worked into fabrics. The scouring...

Source: eu_cn_en (EUR-Lex 02019XC0329(02)-20250113)