Allyl resins: — Other
Part of: 390791 — Other polyesters: — Unsaturated:
N027383 · 2008-05-26 — Tariff classification of diethylene glycol-phthalic anhydride-based polyester polyol prepolymer CAS-32472-85-8 from Germany.
Stepan’s Product Bulletin for Stepanpol PS-3152 was provided for our review. Stepanpol PS-3152 is described as diethylene glycol-phthalic anhydride-based polyester polyol (CAS-32472-85-8) obtained by the reaction of diethylene glycol (CAS-111-46-6) and phthalic anhydride (CAS-85-44-9). The product is an unsaturated polyester prepolymer based on unsaturated phthalic anhydride acid. The product will be imported in the form of a low viscosity liquid that will be further polymerized and transformed by insulated board manufacturers into rigid foam panels. The applicable subheading for Stepanpol…
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