HS Code for Dyed synthetic warp knit

Warp knit fabrics are classified under HS code 6005.37 when they are composed of synthetic fibers and have been dyed. Warp knitting is a specific manufacturing technique where the yarn zigzags along the length of the fabric, rather than following a single row as in weft knitting. This heading includes fabrics made on galloon knitting machines. Subheading 6005.37 is specific to synthetic fibers—such as polyester, polyamides, or acrylics—that are dyed. It excludes fabrics that are unbleached, bleached, or printed, which are covered by other subheadings like 6005.36 or 6005.38. This classification is vital for identifying technical textiles and specific apparel fabrics that utilize the stability and run-resistance characteristic of warp-knit structures. To be classified here, the fabric must not contain more than 5% elastomeric yarn or rubber thread, as those would move the classification to heading 6004. The "dyed" status requires the fabric to be of a single uniform color throughout.

Products Included

• Dyed polyester tricot fabrics
• Dyed nylon raschel knits
• Dyed synthetic mesh fabrics (warp-knit)
• Dyed galloon machine knitted fabrics
• Warp-knit athletic wear fabrics

Common Misclassification

The most frequent misclassification is with 6006.32, which covers weft-knit or circular-knit synthetic fabrics. Identifying the knit structure (warp vs. weft) is essential. Another common error is 6005.42, which is for dyed fabrics of artificial fibers rather than synthetic ones. Additionally, if the fabric has a pile surface, it should be classified under 6001. Finally, if the fabric is printed, it belongs in 6005.39.

FAQ

What is the HS code for dyed synthetic warp knit?

The HS code is 6005.37 for dyed warp-knitted fabrics made of synthetic fibers.

How do I identify a warp knit fabric?

Warp knits typically have vertical loops and are more resistant to runs and ladders compared to weft (circular) knits.