HS heading

3910

Silicones in primary forms.

Sub-codes in this heading. Select one to see its duties, controls and binding rulings.

3910000010Liquid poly(methylhydrosiloxane) with terminal trimethylsilyl groups (CAS RN 63148-57-2) with a purity by weight of 99,9 % or more3910000015Dimethyl, methyl(propyl(polypropylene oxide)) siloxane (CAS RN 68957-00-6), trimethylsiloxy-terminated3910000020Block copolymer of poly(methyl-3,3,3-trifluoropropylsiloxane) and poly[methyl(vinyl)siloxane]3910000025Preparations 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)3910000035Preparations 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)3910000040Silicones of a kind used in the manufacture of long term surgical implants3910000045Dimethyl Siloxane, hydroxy-terminated polymer with a viscosity of 38-100 mPa·s (CAS RN 70131-67-8)3910000050Silicone based pressure sensitive adhesive in solvent containing copoly(dimethylsiloxane/diphenylsiloxane) gum3910000055Preparation 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)3910000070Passivating silicon coating in primary form, to protect edges and prevent short circuits in semiconductor devices3910000085Two-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 panels3910000090Other