Styrene-acrylonitrile (SAN) copolymers
Polymers of styrene, in primary forms. > Polystyrene: > Styrene-acrylonitrile (SAN) copolymers > Styrene-acrylonitrile (SAN) copolymers
Duty Rate (from China)
Products classified under Tariff item 3903.20.00
Flame-Retardant SAN Copolymer Pellets
Flame-retardant SAN copolymer pellets in primary form, V-0 rated for electrical enclosures and battery casings. The halogen-free formulation maintains the primary polymer classification under 3903.20.00, with core SAN content at or above 95% by weight.
High-Clarity SAN Copolymer Resin
High-clarity SAN copolymer resin in granular form for optical applications like light diffusers. With ≥95% styrene-acrylonitrile content by weight, it falls under tariff item 3903.20.00 as a primary-form SAN copolymer.
Impact-Modified SAN Copolymer Granules
Impact-modified SAN copolymer granules with rubber modification for improved toughness in appliance components. The chemical modification does not change the classification under 3903.20.00, as the core styrene-acrylonitrile units remain predominant.
Optical-Grade SAN Copolymer Masterbatch
Pre-colored optical SAN copolymer masterbatch for LCD bezels and instrument panels. Colorants are present at less than 5% by weight, maintaining classification under 3903.20.00 as a primary-form SAN copolymer.
SAN Copolymer for Medical Device Extrusion
USP Class VI certified SAN copolymer for medical syringe barrels and IV components. The biocompatible formulation maintains ≥95% styrene-acrylonitrile content, qualifying under 3903.20.00 as a primary-form SAN copolymer.
Styrene-Acrylonitrile (SAN) Copolymer Pellets
Transparent SAN copolymer pellets for injection molding, consisting of styrene and acrylonitrile monomers where both units contribute 95% or more by weight of the total polymer content. These pellets are in primary form and fall under tariff item 3903.20.00.