Other
Synthetic rubber and factice derived from oils, in primary forms or in plates, sheets or strip; mixtures of any product of heading 40.01 with any product of this heading, in primary forms or in plates, sheets or strip. > Isobutene-isoprene (butyl) rubber (IIR); halo-isobutene-isoprene rubber (CIIR or BIIR): > Isobutene-isoprene (butyl) rubber (IIR) > Other
Duty Rate (from China)
Subheadings
Products classified under Tariff item 4002.39
BIIR Irregular Lumps
Irregular lumps of brominated isobutene-isoprene rubber (BIIR) obtained directly from polymerization. They are in primary forms as defined in Chapter Note 3(b) and are uncompounded, qualifying as 'other' synthetic rubber under tariff item 4002.39.00.
4002.39.00BIIR Rubber Bale
Brominated isobutene-isoprene rubber (BIIR) compressed into rectangular bales for storage and transport. These bales are primary forms under Chapter Note 3(b) and are uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Butyl Rubber Latex Dispersion
A liquid dispersion of butyl rubber (IIR) in water, used for dipping and coating applications. This latex is a primary form under Chapter Note 3(a) and is uncompounded, qualifying for tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Butyl Rubber Solution Paste
A viscous paste solution of butyl rubber in an organic solvent, used for cement applications. This is a primary form under Chapter Note 3(a) as a solution, and it is uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Butyl VM-6131 Masterbatch Pellets
Butyl VM-6131 masterbatch pellets containing minimal permitted stabilizers for pharmaceutical applications. These pellets are in primary forms under Chapter Note 3(b) and retain their raw material character, qualifying for tariff item 4002.39.00.
4002.39.00Chlorobutyl Rubber Scrap-Free Crumbs
Processed chlorobutyl rubber (CIIR) crumbs from calendaring, usable as a primary input without being waste. These crumbs are in bulk primary forms under Chapter Note 3(b) and are uncompounded, falling under tariff item 4002.39.00.
4002.39.00CIIR Bulk Powder
Bulk chlorobutyl rubber (CIIR) powder for dry blending. This powder is a primary form under Chapter Note 3(b) and is uncompounded, qualifying for tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00CIIR Powder Form
Micronized chlorobutyl rubber powder for compounding in adhesives. This powder is a primary form under Chapter Note 3(b) and is uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Exxon Butyl 268 Rubber Pellets
ExxonMobil Butyl 268 grade isobutene-isoprene rubber (IIR) in pellet form for injection molding compounds. These pellets are primary forms under Chapter Note 3(b) and are free of disallowed additives, qualifying for tariff item 4002.39.00.
4002.39.00Halo-Butyl Dispersion Liquid
Liquid halo-butyl dispersion for coatings. This is a primary form under Chapter Note 3(a) as a dispersion, and it is uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Halo-Butyl Rubber Granules
Granular chloroisobutene-isoprene rubber (CIIR) in bulk primary packaging, suitable for extrusion into tire inner liners. These granules are primary forms under Chapter Note 3(b) and are uncompounded, qualifying for tariff item 4002.39.00.
4002.39.00IIR Rubber Lump Blocks
Irregular lump blocks of isobutene-isoprene rubber for further processing into sheets. These are primary forms under Chapter Note 3(b) and are uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Isobutylene-Isoprene Rubber Paste
High-viscosity isobutene-isoprene rubber (IIR) paste for sealants. This paste is a primary form under Chapter Note 3(a) and is uncompounded, qualifying for tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Lanxess Bromobutyl BB2030
Lanxess BB2030 bromobutyl rubber in crumb form for tire curing bladders. These crumbs are primary forms under Chapter Note 3(b) and are uncompounded, falling under tariff item 4002.39.00 as 'other' synthetic rubber.
4002.39.00Polymerized Butyl Rubber Sheets
Thin, uncut rectangular sheets of plain butyl rubber from coagulation. These sheets are primary forms under Chapter Note 3(b) and are simply cut to rectangular shape, qualifying for tariff item 4002.39.00.