---
title: "2510 – Natural calcium phosphates, natural…: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 2510: Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk. CBSA duty rates…"
canonical: "https://www.adhocs.ca/hs-codes/2510"
---

# 2510 Natural calcium phosphates, natural aluminum calcium phosphates and phosphatic chalk.

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 25](https://www.adhocs.ca/hs-codes/25)

2 subheadings. Each subheading links to its page, which lists its 10-digit codes, or to its only 10-digit code.

- [2510.10.00.00](https://www.adhocs.ca/hs-codes/2510.10.00.00) Unground
- [2510.20.00.00](https://www.adhocs.ca/hs-codes/2510.20.00.00) Ground

## Other headings in this chapter

- Previous: [2509](https://www.adhocs.ca/hs-codes/2509) Chalk.
- Next: [2511](https://www.adhocs.ca/hs-codes/2511) Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16.

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