Oakum-Impregnated Grafting Mastic

Tar-impregnated fiber mastic for tree grafting wounds, providing breathable seal. HTS 3214.10.00.20 covers this as grafting putty mastic. Ensures chapter compliance by being non-bituminous.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

5607.49Lower: 13.6% vs 38.7%

If imported as loose oakum fibers

Twine and fibers without mastic binder classify under Chapter 56.

3212.90.00Lower: 38.1% vs 38.7%

If retail coloring preparations for wood

Wood stains or fillers in retail form per chapter notes to 3212.

Not sure which classification is right?

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Import Tips & Compliance

Phytosanitary certificates essential for plant-related imports

Specify non-tar base if applicable to dodge Chapter 27 exclusions

Shelf-life testing prevents rejection due to separation issues

Related Products under HTS 3214.10.00.20

Silicone-Based Glazier's Putty

A mastic compound used by glaziers to seal glass panes in window frames, providing waterproofing and adhesion. It falls under HTS 3214.10.00.20 as a glazier's putty, a non-refractory mastic for sealing purposes. This product is distinct from bituminous mastics excluded by chapter notes.

Polyurethane Grafting Putty

A resin cement mastic applied to seal grafts on trees or plants, promoting healing and preventing infection. Classified under HTS 3214.10.00.20 as grafting putty, a specialized mastic. It adheres to chapter provisions for nonrefractory surfacing and sealing compounds.

Acrylic Caulking Compound

A paintable latex-based mastic for sealing gaps in walls, windows, and doors in construction. It is categorized under HTS 3214.10.00.20 as a caulking compound mastic. This nonrefractory preparation is used for indoor and facade surfacing.

Butyl Rubber Resin Cement

A mastic used in roofing and siding applications for flexible sealing against weather. Falls under HTS 3214.10.00.20 as a resin cement mastic, excluded from bituminous types. Provides durable, non-hardening seals for building envelopes.

Painter's Non-Sag Mastic Filler

A thick mastic for filling cracks and joints in drywall before painting, remaining in place without sagging. Classified in HTS 3214.10.00.20 as other mastics akin to painters' fillings. Used for indoor wall and ceiling surfacing preparations.

Marine-Grade Caulking Mastic

UV-resistant mastic for sealing boat decks and hull joints, flexible in saltwater environments. Under HTS 3214.10.00.20 as caulking compound mastic. Nonrefractory formula for surfacing marine structures.