Flexible Polyurethane Caulking
UV-stable polyurethane mastic for exterior window seals, paintable. HTS 3214.10.00.20 caulking mastic. For facade and indoor applications.
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Import Tips & Compliance
• ISO 11600 standards for joint sealants documentation
• Isocyanate warnings for health/safety compliance
• Cure time specs prevent adhesive misclass
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.