EPDM Rubber Grafting Putty

A flexible mastic used in horticulture to seal tree grafts, made from EPDM rubber for waterproofing. It qualifies for HTS 3214.90.10.00 as grafting putty based on rubber, offering elasticity to accommodate plant growth. Prevents moisture ingress and disease in nursery operations.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
šŸ‡ØšŸ‡³ChinaFree+35.0%35%
šŸ‡²šŸ‡½MexicoFree+10.0%10%
šŸ‡ØšŸ‡¦CanadaFree+10.0%10%
šŸ‡©šŸ‡ŖGermanyFree+10.0%10%
šŸ‡ÆšŸ‡µJapanFree+10.0%10%

Alternative Classifications

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

4002.99.00.00Same rate: 35%

If synthetic rubber in primary forms, not mastic

Uncompounded EPDM rubber latex or sheets go to Chapter 40 for raw materials.

3215.90.10.00Higher: 38.1% vs 35%

If used as tree wound dressing rather than grafting mastic

Specialty tree maintenance preparations may fall under 3215 for organic composites.

3824.99Lower: 15% vs 35%

If imported as prepared horticultural chemical mix

Chemical preparations for agriculture not specifically mastic-like classify under 3824.

Not sure which classification is right?

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Import Tips & Compliance

• Include agricultural use certifications to expedite FDA/USDA reviews if applicable

• Document rubber polymer composition to confirm HTS classification over general polymers

• Package in retail tubes to avoid bulk polymer reclassification pitfalls

Related Products under HTS 3214.90.10.00

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A sealant made from synthetic rubber polymers designed for sealing gaps in construction and bathroom applications. It falls under HTS 3214.90.10.00 as a caulking compound based on rubber, used for weatherproofing joints without refractory properties. This non-hardening mastic provides flexibility and adhesion on various surfaces.

Butyl Rubber Glaziers' Putty

A non-hardening putty formulated with butyl rubber for bedding glass in window frames. Classified under HTS 3214.90.10.00 as glaziers' putty based on rubber, it provides long-term sealing against air and moisture. Ideal for traditional glazing applications in construction.

Neoprene Resin Cement for Flooring

A rubber-based cement used for bonding floor tiles and surfacing indoor floors. Falls under HTS 3214.90.10.00 as a nonrefractory surfacing preparation based on rubber (neoprene polychloroprene). Provides durable, flexible adhesion in high-traffic areas.

SBR Latex Painters' Filling Compound

A water-based filler putty with styrene-butadiene rubber (SBR) latex for smoothing drywall imperfections before painting. Classified in HTS 3214.90.10.00 as painters' fillings based on rubber, it sands easily and accepts paint finishes. Used in interior wall preparation.

Nitrile Rubber Caulking for Facades

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Polyisoprene Grafting Mastic Tape

Self-fusing rubber tape made from polyisoprene for sealing plant grafts and wounds. As a rubber-based grafting putty in tape form, it fits HTS 3214.90.10.00 for flexible horticultural mastics. Stretches to create airtight barriers.