ASYCUDA
  Online Harmonised Commodities Code database

You can enter a keyword or the first few digits from the commodity code, e.g. enter "book" to view commodities with the word book in the description, or enter"490" to view commodities whose code begins with 490.  Commodity codes can be as general as 1 digit or as specific as 6.

Commodities with Heading Code: 5202

Commodity Code Description
Section 11 : Textiles and textiles articles
   Chapter 52 : Cotton
     Heading 5202 : Cotton waste (incl. yarn waste and garnetted stock)
520210 Yarn waste of cotton
520291 Garnetted stock of cotton
520299 Cotton waste, nes