Section VII — Plastics and articles thereof; rubber and articles thereof
Chapter 39 — Plastics and articles thereof
Heading 3907 — Polyacetals, other polyethers and epoxide resins, in primary forms; polycarbonates, alkyd resins, polyallyl esters and other polyesters, in primary forms.
National subdivision 3907.9 — Other polyesters:
Subheading 3907.91 — Unsaturated
HS code
3907.91.00 Unsaturated polyesters, nes
Last Verified Date - 1 October 2026
Common commodities
Unsaturated Polyester Resin (UPR) for fiberglass reinforcementLiquid Unsaturated Polyester Molding Compound BaseThermosetting Resin in primary form - Unsaturated PolyesterFiberglass Resin in primary form - Unsaturated Polyesters (UP)Unsaturated Polyester Resins dissolved in styrene monomersPrimary form Unsaturated Polyester for reinforced plastic productionUnsaturated Polyesters (UP) as thermosetting resin for composite partsMoldable Unsaturated Polyester Resin for reinforcement applicationsHigh-performance Unsaturated Polyester Resin in primary formUnsaturated Polyester Resins for reinforced plastic manufacturing