Flexible Polyurethane Caulking
A UV-stable polyurethane mastic for exterior window seals, paintable, for facade and indoor applications. It is a caulking mastic and falls under tariff item 3214.10.90.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | 6.5% | — | 6.5% |
| 🇲🇽Mexico | 6.5% | — | 6.5% |
| 🇺🇸United States | 6.5% | — | 6.5% |
| 🇩🇪Germany | 6.5% | — | 6.5% |
| 🇯🇵Japan | 6.5% | — | 6.5% |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the caulking is epoxide-based for electrical generator use.
This specific composition is covered by the sibling tariff item.
If the product is a polyurethane prepolymer without mastic additives.
Uncompounded polyurethane resins classify in Chapter 39.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is not a separate chemically defined compound
• Verify it is not a preparation of heading 3208 or 3209
• Document the polyurethane composition to support the mastic classification
Related Products under Tariff item 3214.10.90
Acoustic Wall Mastic Sealant
A sound-dampening mastic for sealing drywall joints, non-hardening, reducing noise transmission. It is a wall surfacing mastic and falls under tariff item 3214.10.90 as an 'other' mastic.
Acrylic Caulking Compound
A paintable latex-based mastic for sealing gaps in walls, windows, and doors in construction. It is a non-refractory preparation for indoor surfacing and falls under tariff item 3214.10.90 as a caulking compound mastic.
Acrylic Caulking Sealant
Acrylic caulking sealant is a water-based mastic used for interior gap filling and sealing. It is paintable and flexible, making it suitable for a variety of construction applications. This product falls under tariff item 3214.10.90 as a caulking compound, not containing phenol-formaldehyde resin or being for electrical generator use.
Acrylic Latex Caulking Sealant
A water-based acrylic latex compound designed for interior sealing of gaps in drywall, trim, and woodwork. It is paintable after drying and functions as a caulking compound, falling under tariff item 3214.10.90 as an 'other' mastic.
Acrylic Wall Surfacer Filler
Acrylic wall surfacer filler, an acrylic-based filler paste used by painters to level and fill minor cracks on interior walls for optimal paint adhesion. It qualifies as painters' fillings, non-refractory, classified under 'other mastics' in tariff item 3214.10.90.
Automotive Body Filler Putty
Automotive body filler putty is a two-part polyester resin mastic used for repairing dents and rust on vehicles. It is sandable and paintable, making it a common product in auto body shops. This product falls under tariff item 3214.10.90 as painters' fillings, as it is not specifically for electrical generator use.