Marine-Grade Caulking Mastic
Marine-grade caulking mastic, UV-resistant and flexible for sealing boat decks and hull joints in saltwater. It is a non-refractory caulking compound, falling under 'other mastics' in 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 used as a general surfacing preparation
Other non-refractory surfacing preparations may be classified here.
If the mastic is bituminous
Chapter note 1(c) excludes bituminous mastics from this chapter.
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
• Ensure the mastic is not bituminous, as that would fall under heading 27.15 per chapter note 1(c)
• Provide evidence of non-refractory properties
• Verify it is not a separate chemically defined compound, which would be excluded by chapter note 1(a)
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.