HS Code for Smoked rubber sheets

Natural rubber in smoked sheets is classified under HS code 4001.21. Chapter 40 of the Harmonized System covers rubber and articles thereof, with Heading 4001 focusing on natural rubber, balata, gutta-percha, guayule, chicle, and similar natural gums in primary forms or in plates, sheets, or strip. Subheading 4001.21 is very specific to "smoked sheets," which is a traditional and widely used method of processing natural rubber latex. In this process, the latex is coagulated, rolled into sheets, and then dried in a smokehouse. The smoke acts as a preservative to prevent fungal growth and oxidation, giving the rubber its characteristic amber color and smoky odor. These are often referred to in the industry as Ribbed Smoked Sheets (RSS). The classification is restricted to natural rubber; synthetic rubbers or mixtures of natural and synthetic rubber are classified under Heading 4002. Furthermore, if the rubber has been further worked into specific shapes or combined with other materials, it may move to subsequent headings in Chapter 40.

Products Included

• Ribbed Smoked Sheets (RSS)
• RSS Grade 1 (RSS1)
• RSS Grade 3 (RSS3)
• RSS Grade 5 (RSS5)
• Natural rubber sheets preserved by smoke

Common Misclassification

Smoked rubber sheets are often confused with 4001.22, which covers Technically Specified Natural Rubber (TSNR). TSNR is processed differently, usually into blocks rather than sheets. Another misclassification is 4001.29, which is a residual category for other forms of natural rubber like crepe sheets. It is vital to distinguish smoked sheets (4001.21) from these other primary forms due to different market values and industrial applications.

FAQ

What is the HS code for smoked rubber sheets?

The HS code for natural rubber in smoked sheets is 4001.21.

What does RSS stand for in rubber classification?

RSS stands for Ribbed Smoked Sheets, which is the standard commercial form of natural rubber classified under HS code 4001.21.