5001: Silkworm cocoons suitable for reeling.
5002: Raw silk (not thrown).
5003: Silk waste (including cocoons unsuitable for reeling, yarn waste and garnetted stock).
5004: Silk yarn (other than yarn spun from silk waste) not put up for retail sale.
5005: Yarn spun from silk waste, not put up for retail sale.
5006: Silk yarn and yarn spun from silk waste, put up for retail sale; silkworm gut.
5007: Woven fabrics of silk or of silk waste.