---
title: "2815.20 – Sodium hydroxide (caustic soda)…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2815.20: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or…"
canonical: "https://www.adhocs.ca/hs-codes/2815.20"
---

# 2815.20 Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium › Potassium hydroxide (caustic potash)

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 28](https://www.adhocs.ca/hs-codes/28) › [2815](https://www.adhocs.ca/hs-codes/2815)

2 classifications. Each 10-digit code links to its page, with its rate under every tariff treatment.

- [2815.20.00.10](https://www.adhocs.ca/hs-codes/2815.20.00.10) Solid
- [2815.20.00.20](https://www.adhocs.ca/hs-codes/2815.20.00.20) In aqueous solution

## Other subheadings in this heading

- Next: [2815.11](https://www.adhocs.ca/hs-codes/2815.11.00.00) Solid

[Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).