Polyurethane Construction Sealant
High-performance polyurethane mastic for expansion joints in concrete buildings. Caulking compound under HTS 3214.90.50.00, non-bituminous. Used for durable, flexible sealing.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 3.25% | +35.0% | 38.25% |
| š²š½Mexico | 3.25% | +10.0% | 13.25% |
| šØš¦Canada | 3.25% | +10.0% | 13.25% |
| š©šŖGermany | 3.25% | +10.0% | 13.25% |
| šÆšµJapan | 3.25% | +10.0% | 13.25% |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If tubes of vulcanized polyurethane rubber
Articles of cellular rubber shift to Chapter 40.
If prepared as general-purpose adhesive
Non-mastic adhesives in Chapter 35.
If bituminous asphalt-based variant
Chapter notes specify bituminous mastics in 2715.
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Import Tips & Compliance
ā¢ Comply with ISO 11600 standards for sealants
ā¢ Document elasticity modulus and UV resistance
ā¢ Prevent reclassification as rubber under Chapter 40
Related Products under HTS 3214.90.50.00
Acrylic Caulking Compound
A water-based acrylic sealant used to fill gaps and joints in construction, preventing air and water infiltration. It falls under HTS 3214.90.50.00 as a caulking compound, distinct from bituminous mastics excluded by chapter notes. Non-refractory and suitable for indoor/outdoor building applications.
Silicone Kitchen & Bath Caulk
100% silicone sealant for sealing around sinks, tubs, and showers, offering waterproofing and mold resistance. Classified under HTS 3214.90.50.00 as a caulking compound for non-refractory surfacing. Excluded from Chapter 27 bituminous mastics per notes.
Painters' Wood Filler Putty
Solvent-based putty for filling cracks and holes in wood before painting, providing a smooth surface. It qualifies as painters' fillings under HTS 3214.90.50.00, for non-structural indoor use. Not a chemically defined compound per chapter exclusions.
Grafting Wax Compound
Bitumen-free resin wax used by horticulturists to seal tree grafts and wounds, promoting healing. Falls under HTS 3214.90.50.00 as grafting putty/mastic, non-refractory. Excluded from Chapter 27 asphalt mastics.
Facade Acrylic Stucco Mastic
Pre-mixed acrylic-based mastic for patching and surfacing exterior stucco walls. Nonrefractory surfacing preparation under HTS 3214.90.50.00 for building facades. Not a paint or chemical compound per chapter notes.
Resin Cement for Marble
Epoxy-resin cement used to bond and fill marble tiles and countertops. Classified as resin cements under HTS 3214.90.50.00, for non-refractory construction mastics. Distinct from pure adhesives.