Key facts
- HS subheading
- 3910.00
- Duty (MFN)
- 6.5%
- National lines
- 12
- Import VAT/GST in the European Union
- VAT 21%
- De minimis in the European Union
- Flat €3 duty up to €150; tax always charged
- Tariff
- European Union
- Chapter
- 39: Plastics and articles thereof
Summary
The European Union tariff splits HS 3910.00 (silicones in primary forms) into 12 national lines: 3910 00 00 10 (liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (CAS RN 63148-57-2) with a purity by weight of 99,9 % or more), 3910 00 00 15 (dimethyl, methyl(propyl(polypropylene oxide)) siloxane (CAS RN 68957-00-6), trimethylsiloxy-terminated), 3910 00 00 20 (block copolymer of poly(methyl-3,3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane]), 3910 00 00 25 (preparations containing by weight: - 10 % or more, 2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy] disiloxanyl] propoxy] propyl-2-methyl-2-propenoate (CAS RN 69861-02-5)and - 10 % or more, α-Butyldimethylsilyl- ω -3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]propyl-terminated silicone polymer (CAS RN 146632-07-7)) and 8 others. The general (MFN) duty is 6.5% on all 12 lines.
European Union lines under 3910.00
The European Union tariff splits HS 3910.00 (silicones in primary forms) into 12 national lines: 3910 00 00 10 (liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (CAS RN 63148-57-2) with a purity by weight of 99,9 % or more), 3910 00 00 15 (dimethyl, methyl(propyl(polypropylene oxide)) siloxane (CAS RN 68957-00-6), trimethylsiloxy-terminated), 3910 00 00 20 (block copolymer of poly(methyl-3,3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane]), 3910 00 00 25 (preparations containing by weight: - 10 % or more, 2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy] disiloxanyl] propoxy] propyl-2-methyl-2-propenoate (CAS RN 69861-02-5)and - 10 % or more, α-Butyldimethylsilyl- ω -3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]propyl-terminated silicone polymer (CAS RN 146632-07-7)) and 8 others.
The general (MFN) duty is 6.5% on all 12 lines.
- 3910 00 00 10Liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (CAS RN 63148-57-2) with a purity by weight of 99,9 % or moreDuty: 6.5%
- 3910 00 00 15Dimethyl, methyl(propyl(polypropylene oxide)) siloxane (CAS RN 68957-00-6), trimethylsiloxy-terminatedDuty: 6.5%
- 3910 00 00 20Block copolymer of poly(methyl-3,3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane]Duty: 6.5%
- 3910 00 00 25Preparations containing by weight: - 10 % or more, 2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy] disiloxanyl] propoxy] propyl-2-methyl-2-propenoate (CAS RN 69861-02-5)and - 10 % or more, α-Butyldimethylsilyl- ω -3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]propyl-terminated silicone polymer (CAS RN 146632-07-7)Duty: 6.5%
- 3910 00 00 35Preparations containing by weight: - 30 % or more, α -Butyldimethylsilyl- ω -(3-methacryloxy-2-hydroxypropyloxy)propyldimethylsilyl-polydimethylsiloxane (CAS RN 662148-59-6) and - 10 % or more, N,N - Dimethylacrylamide (CAS RN 2680-03-7)Duty: 6.5%
- 3910 00 00 40Silicones of a kind used in the manufacture of long term surgical implantsDuty: 6.5%
- 3910 00 00 45Dimethyl Siloxane, hydroxy-terminated polymer with a viscosity of 38-100 mPa·s (CAS RN 70131-67-8)Duty: 6.5%
- 3910 00 00 50Silicone based pressure sensitive adhesive in solvent containing copoly(dimethylsiloxane/diphenylsiloxane) gumDuty: 6.5%
- 3910 00 00 55Preparation containing by weight: - 55 % or more but not more than 65 % of vinyl terminated polydimethylsiloxane (CAS RN 68083-19-2), - 30 % or more but not more than 40 % of dimethylvinylated and trimethylated silica (CAS RN 68988-89-6), and - 1 % or more but not more than 5 % of silicic acid, sodium salt, reaction products with chlorotrimethylsilane and isopropyl alcohol (CAS RN 68988-56-7)Duty: 6.5%
- 3910 00 00 70Passivating silicon coating in primary form, to protect edges and prevent short circuits in semiconductor devicesDuty: 6.5%
- 3910 00 00 85Two-component silicone, with a viscosity of the mixture of 3 000 cps or more, but not more than 6 000 cps (according to standard GB/T 2794) for use as an electrical insulation material in solar panels junction box in the production of solar panelsDuty: 6.5%
- 3910 00 00 90OtherDuty: 6.5%
Import VAT and de minimis in the European Union
The European Union charges VAT on imports at a standard rate of 21%.
From 1 July 2026 until 1 July 2028, consignments sold to buyers in the European Union worth up to €150 pay a flat customs duty of €3 per tariff classification in the consignment instead of the tariff rate. Import tax is charged whatever the value.
In other countries
National tariff lines under 3910.00 are live on border.bot for the United States (1 line, also used by 1 other country).
- United States1 line, used by 1 other country
Frequently asked questions
How many national tariff lines does the European Union tariff have under HS 3910.00?
The European Union tariff splits HS 3910.00 (silicones in primary forms) into 12 national lines: 3910 00 00 10 (liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (CAS RN 63148-57-2) with a purity by weight of 99,9 % or more), 3910 00 00 15 (dimethyl, methyl(propyl(polypropylene oxide)) siloxane (CAS RN 68957-00-6), trimethylsiloxy-terminated), 3910 00 00 20 (block copolymer of poly(methyl-3,3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane]), 3910 00 00 25 (preparations containing by weight: - 10 % or more, 2-hydroxy-3-[3-[1,3,3,3-tetramethyl-1-[(trimethylsilyl)oxy] disiloxanyl] propoxy] propyl-2-methyl-2-propenoate (CAS RN 69861-02-5)and - 10 % or more, α-Butyldimethylsilyl- ω -3-[(2-methyl-1-oxo-2-propen-1-yl)oxy]propyl-terminated silicone polymer (CAS RN 146632-07-7)) and 8 others.
What is the duty on HS 3910.00 in the European Union?
The general (MFN) duty is 6.5% on all 12 lines.
Sources and updates
The tariff lines for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.
The duty rates for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.
The trade programmes for the European Union come from border.bot release 1, read from the publisher’s files, and have been live since 11 October 2026.
The import taxes for the European Union come from border.bot release 1, imported from a file, and have been live since 9 October 2026.
The de minimis thresholds for the European Union come from border.bot release 2, entered by border.bot, and have been live since 11 October 2026.
This page was last updated on 11 October 2026.
Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.