Modified Phthalic Alkyd Resin
Alkyd resin based on phthalic anhydride and glycerin with styrene modification, in primary flaked form for UV-curable coatings. Classified in 3907.50.00.00 as alkyds where the base polymer meets weight predominance under chapter notes.
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Alternative Classifications
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Import Tips & Compliance
• Provide monomer breakdown showing alkyd >95% to prevent 'other' reclassification; label as primary industrial resin
• Pitfall: styrene content triggering chemical prep in 3824
Related Products under HTS 3907.50.00.00
Pure Alkyd Resin 100% Solids
A high-solids alkyd resin derived from polycondensation of polyols, phthalic anhydride, and drying oils like linseed oil, used as a primary form binder in paints. Classified under HTS 3907.50.00.00 as an alkyd resin in primary forms, meeting the chapter note criteria for polymers where the core alkyd structure predominates by weight.
Long Oil Alkyd Resin
An alkyd resin with over 55% oil content from soybean oil, designed for high-gloss enamels and primers in primary granular or flake form. Falls under HTS 3907.50.00.00 as it is a polyester resin modified by fatty acids from drying oils, in primary forms.
Short Oil Alkyd Resin
A fast-drying alkyd resin with less than 40% vegetable oil (e.g., tall oil), supplied in primary liquid form for industrial baking enamels. HTS 3907.50.00.00 covers this as alkyd resins in primary forms, distinct from finished coatings.
Water-Reducible Alkyd Resin
An alkyd emulsion resin with carboxyl groups for water dispersibility, supplied as 80% solids primary dispersion for eco-friendly paints. HTS 3907.50.00.00 applies to primary alkyd forms, even if water-compatible, per polymer classification notes.
Linseed Oil Alkyd Resin
Traditional alkyd resin from linseed oil fatty acids, pentaerythritol, and phthalic, in primary pasty form for artist oils and varnishes. Under 3907.50.00.00 as it exemplifies classic alkyd polyester in primary forms.
Soya Alkyd Resin Medium Oil
Medium oil length alkyd from soya fatty acids (45-55% oil), in primary liquid resin for wood finishes, classified as 3907.50.00.00 for primary polyester alkyds.