Silicone Rubber Silica Compound Paste
High-consistency silicone rubber paste compounded with silica fillers for extrusion, in primary paste form. The product is unvulcanized and the silica provides reinforcement. It is classified here as compounded rubber with silica in a primary form.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is not compounded with silica or is a silicone in primary form
Silicones in primary forms are classified as plastics under heading 39.10.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the paste is unvulcanized and in a primary form (paste) as per Chapter 40 Note 3
• Provide a technical datasheet confirming silica content and that no vulcanizing agents are present
• Verify the product is not a silicone in primary form of heading 39.10, which is a plastic
Related Products under Tariff item 4005.10.00
ACM Acrylic Rubber Silica Compound
Acrylic rubber (ACM) compound with silica in granular primary form, unvulcanized. The silica acts as a reinforcing filler, and the product is intended for further processing into automotive belts. It falls under this tariff item because it is compounded rubber with silica in a primary form.
CR Neoprene Carbon Black Granules
Chloroprene rubber (CR, Neoprene) granules compounded with carbon black, unvulcanized and in crumb primary form. The carbon black is added as a reinforcing agent, and the product is used in adhesive applications. It is classified here as compounded rubber with carbon black in a primary form.
CSM Hypalon Carbon Black Sheets
Chlorosulfonated polyethylene (CSM, Hypalon) sheets compounded with carbon black, unvulcanized and cut to rectangular shapes. The carbon black provides UV resistance and reinforcement for roofing applications. It falls under this tariff item as compounded rubber with carbon black in sheet form.
EPDM Silica Compounded Sheets
Ethylene propylene diene monomer (EPDM) rubber sheets compounded with silica, cut to rectangular shapes and unvulcanized. The silica improves tear strength and weatherability for weatherstrip applications. It is classified here as compounded rubber with silica in sheet form.
FKM Fluoroelastomer Carbon Black Powder
Fluoroelastomer (FKM, Viton) powder compounded with carbon black, unvulcanized and in powder primary form. The carbon black is added for reinforcement in O-ring molding applications. It falls under this tariff item as compounded rubber with carbon black in a primary form.
IIR Butyl Rubber Silica Bale
Isobutylene-isoprene rubber (IIR, butyl) bales compounded with silica, unvulcanized and in bulk primary form. The silica enhances impermeability for inner tube production. It is classified here as compounded rubber with silica in a primary form.