Tetracalcium Phosphate (TTCP) for Biomedical Use
Tetracalcium phosphate (TTCP) is a high-calcium phosphate phase used in bone cements and dental restoratives. It reacts to form hydroxyapatite in vivo, making it biocompatible. This product falls under tariff item 2835.26.00 as other phosphates of calcium.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the TTCP is formulated as a bone cement
Bone cements are classified in Chapter 30.
If the TTCP is used in dental implants
Dental implants are classified in Chapter 90.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is labeled for biomedical use and provide documentation of its chemical purity
• If the TTCP is part of a bone cement kit, it may be classified under Chapter 30
• Keep records of the end-use to support classification
Related Products under Tariff item 2835.26.00
Calcium Metaphosphate Glassy Flakes
Glassy calcium metaphosphate flakes are an inorganic, chemically defined compound of calcium and phosphate. They are used in dental cements and sealants, and their controlled solubility makes them suitable for these applications. This product falls under tariff item 2835.26.00 as a phosphate of calcium other than specified subheadings.
Calcium Phosphate Tribasic Granules
Calcium phosphate tribasic granules, also known as tricalcium phosphate, are a chemically defined calcium phosphate. The granulation improves handling and dissolution, making it suitable for nutritional supplements and as a flow agent. This product is classified under tariff item 2835.26.00 as other phosphates of calcium.
Calcium Pyrophosphate Precipitated Powder
Calcium pyrophosphate precipitated powder is a fine, chemically defined calcium phosphate compound. It is used as a polishing agent in toothpaste and as a lubricant additive due to its biocompatibility. This product falls under tariff item 2835.26.00 as other phosphates of calcium.
Dibasic Calcium Phosphate Anhydrous (DCPA)
Dibasic calcium phosphate anhydrous (DCPA) is a chemically defined calcium phosphate without water of hydration. It is used as a dry binder in tablets and toothpastes. This product is classified under tariff item 2835.26.00 as other phosphates of calcium.
Dicalcium Phosphate Dihydrate (DCPD)
Dicalcium phosphate dihydrate (DCPD) is a white, odorless powder composed of calcium hydrogen phosphate with two molecules of water. It is primarily used as a dietary supplement and in toothpaste. This product falls under tariff item 2835.26.00 as other phosphates of calcium.
Feed Grade Calcium Phosphate 21% P
Feed-grade calcium phosphate with 21% phosphorus content is a chemically defined calcium phosphate used in animal nutrition. It meets AAFCO specifications for poultry and swine rations. This product is classified under tariff item 2835.26.00 as other phosphates of calcium.