Heavy Smoked Rubber Block Sheets
Block-form smoked sheets pressed into dense rectangular primary shapes for storage. HTS 4001.21.0050 covers these other smoked natural rubber forms.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm block retains rubber essential character
• No laminating with textiles
Related Products under HTS 4001.21.00.50
Smoked Rubber Sheets Grade RSS3
Smoked rubber sheets (Ribbed Smoked Sheet Grade 3) are produced from natural latex coagulated into sheets, ribbed, air-dried, and smoked over wood fires to preserve and standardize quality. Classified under HTS 4001.21.0050 as 'other' smoked sheets in primary forms, these retain the essential character of raw natural rubber without vulcanizing agents or fillers beyond permitted additives.
Ribbed Smoked Rubber Sheets Grade RSS4
Grade RSS4 smoked sheets are lower-quality natural rubber sheets with allowable defects like bark bits, used mainly for industrial compounding. HTS 4001.21.0050 covers these as 'other' smoked sheets in primary forms, excluding compounded mixtures.
Pale Crepe Smoked Rubber Sheets
Pale crepe sheets undergo additional washing post-smoking for cleaner appearance, used in light-colored rubber goods. Classified in HTS 4001.21.0050 as other smoked sheets, not technically specified.
Thin Smoked Rubber Sheets for Export
Ultra-thin (<2mm) smoked sheets designed for specialty compounding, ribbed and lightly processed. HTS 4001.21.0050 for other primary smoked forms, simply cut to rectangular shape.
Brown Crepe Smoked Rubber Sheets RSS4X
RSS4X brown crepe sheets from remilled RSS4, offering consistent quality for belts. Under 4001.21.0050 as other natural rubber smoked sheets in primary form.
Export Grade Smoked Rubber Mats (Sheets)
Large-format rectangular smoked sheets rolled for tire manufacturing. Primary form under 4001.21.0050.