Desmodur T80 Polyurethane Precursor
Bayer Desmodur T80, a standardized 80% 2,4-TDI/20% 2,6-TDI mixture stabilized for safe transport. This product is definitively classified under HTS 2929.10.15.00 as a mixture of toluenediisocyanates per chapter notes (a) and (f) allowing stabilizers. Used in reaction injection molding (RIM) for elastomers.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If marketed specifically as paint crosslinker with pigments
Chapter 29 exclusion note (g) - additions rendering 'particularly suitable for specific use' exclude from Chapter 29
If other aromatic isocyanates, not toluene-derived
Specificity of 2929.10.15.00 requires toluene base; other nitrogen-function compounds classify elsewhere
If partially reacted forming protein-like reaction products
Advanced reaction products may classify as protein derivatives rather than isocyanates
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Import Tips & Compliance
• TSCA pre-notification required for first import
• Moisture exclusion critical - use nitrogen blanketing
• Avoid classification as 'paint additive' which would go to Chapter 38
Related Products under HTS 2929.10.15.00
TDI 80/20 Mixture
A commercial mixture containing 80% 2,4-toluenediisocyanate and 20% 2,6-toluenediisocyanate, used primarily as a reactive intermediate in polyurethane production. This isocyanate mixture falls under HTS 2929.10.15.00 as it is a specific blend of toluenediisocyanates with nitrogen function in the isocyanate groups. It is supplied in drums for industrial formulation of foams and coatings.
Toluenediisocyanate T-80 Grade
Industrial grade TDI mixture (80/20 2,4-/2,6-isomers) packaged in 250 kg drums for flexible foam manufacturing. Classified under HTS 2929.10.15.00 due to its isocyanate nitrogen function and specific isomer ratio meeting chapter requirements for mixtures. Commonly used in mattress and automotive seat production.
TDI Lupranat T80 Mixture
BASF Lupranat T80, a 80/20 TDI isomer mixture for slabstock foam production. Meets HTS 2929.10.15.00 criteria as chemically defined isocyanate mixture with transport stabilizer. High reactivity enables fast cure times in continuous foaming lines.
80/20 Toluene Diisocyanate Blend
Standard industrial 80/20 TDI blend used in adhesives and sealants formulation. Classified HTS 2929.10.15.00 for its specific mixture of 2,4- and 2,6-toluenediisocyanate isomers with nitrogen-function isocyanate groups. Supplied with 0.1% stabilizer per Chapter 29(f).
Polyurethane TDI 80 Mixture
TDI-80 grade mixture specifically formulated for polyurethane elastomers and coatings. Falls under HTS 2929.10.15.00 as it constitutes a mixture of the two toluenediisocyanate isomers per chapter note (b). Drum quantities with anti-dusting agent for safety.