--- title: "2839 – Silicates; commercial alkali metal…: Canada tariff & duty rates" description: "Every Canadian tariff classification under HS 2839: Silicates; commercial alkali metal silicates. CBSA duty rates for each code." canonical: "https://www.adhocs.ca/hs-codes/2839" --- # 2839 Silicates; commercial alkali metal silicates. Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 28](https://www.adhocs.ca/hs-codes/28) 3 subheadings. Each subheading links to its page, which lists its 10-digit codes, or to its only 10-digit code. ## Of sodium - [2839.11.00.00](https://www.adhocs.ca/hs-codes/2839.11.00.00) Sodium metasilicates - [2839.19.00.00](https://www.adhocs.ca/hs-codes/2839.19.00.00) Other - [2839.90.00.00](https://www.adhocs.ca/hs-codes/2839.90.00.00) Other ## Other headings in this chapter - Previous: [2837](https://www.adhocs.ca/hs-codes/2837) Cyanides, cyanide oxides and complex cyanides. - Next: [2840](https://www.adhocs.ca/hs-codes/2840) Borates; peroxoborates (perborates). [Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).