Butyl Rubber Glazing Sealant
Butyl rubber glazing sealant is a non-hardening mastic tape or compound for insulating glass units. Its dead-soft properties seal edges permanently under HTS 3214.10.00.
Import Duty Rates by Country of Origin
| Origin Country | MFN Rate | Ch.99 Surcharges | Total Effective Rate |
|---|---|---|---|
| šØš³China | 3.7% | +37.5% | 41.2% |
| š²š½Mexico | 3.7% | +10.0% | 13.7% |
| šØš¦Canada | 3.7% | +10.0% | 13.7% |
| š©šŖGermany | Free | +10.0% | 10% |
| šÆšµJapan | Free | +12.5% | 12.5% |
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 synthetic rubber in primary forms
Unvulcanized rubber sheets go to Chapter 40.
If self-adhesive rubber tape
Adhesive tapes of rubber classify under heading 3919.
If finished rubber seals for windows
Completed rubber articles shift to Chapter 40.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code ā and can price the duty on it in the same conversation.
Import Tips & Compliance
ā¢ Provide rubber content analysis to confirm mastic vs polymer classification
ā¢ Include compatibility certificates for PVC and aluminum spacers
ā¢ Declare tape vs compound form explicitly in entry documents
Related Products under HTS 3214.10.00
Glazier's Putty
Glazier's putty is a traditional linseed oil-based mastic used to secure glass panes in window frames. It hardens over time to form a weatherproof seal, falling under HTS 3214.10.00 as a specific type of glazier's putty for glazing applications.
Grafting Putty
Grafting putty is a flexible mastic applied to plant grafts to seal wounds and prevent infection. Made from resins and fillers, it classifies under HTS 3214.10.00 as grafting putty for horticultural use.
Silicone Caulking Compound
Silicone caulking compound is a sealant used for sealing joints in bathrooms, kitchens, and around windows. Its mastic properties place it under HTS 3214.10.00 as a caulking compound.
Resin Cement for Glazing
Resin cement is a two-part mastic system used for bedding glass in commercial windows and doors. It provides strong adhesion and weather resistance, classified under HTS 3214.10.00 as resin cements.
Painters' Wood Filler
Painters' wood filler is a mastic compound used to fill cracks and holes in wood before painting. It sands smooth and accepts paint finishes, falling under HTS 3214.10.00 as painters' fillings.
Acrylic Caulking Sealant
Acrylic caulking sealant is a water-based mastic for interior gap filling and sealing. Paintable and flexible, it classifies under HTS 3214.10.00 as a caulking compound.