Terbuim oxide Price — China Factory EXW 2026

Terbuim oxide price Spec: China national standards

China EXW, VAT excluded

Newest China EXW USD 90,902.65 / MT · VAT excluded -85442.4779 (-48.00%) as of 20210319

Newest Price 90,902.65

Price Date 20210319

Day's Change -85,442.48

Day's Range 90,902.65 - 5,460.18

Month's Change +591,893.81

Month's Range 90,902.65 - 682,796.47

Year's Change +24,893.81

Year's Range 90,902.65 - 66,008.85

The export license approvals since mid-May 2025 are the key swing factor. At least six Chinese firms have received permits, which could trigger aggressive restocking abroad and nar...

Also known as diterbium trioxide, oxygen(-2) anion, Terbia, Terbium oxide

Opinions

How will US and Australian heavy rare earth output reshape terbium oxide supply?

The export license approvals since mid-May 2025 are the key swing factor. At least six Chinese firms have received permits, which could trigger aggressive restocking abroad and narrow the huge internal-external price gap. Watch for whether terbium oxide domestic prices catch up to overseas levels or if overseas premiums deflate first.

What drives the price gap between Chinese and overseas terbium oxide markets?

The real beneficiary may be high-purity terbium oxide at 5N-6N grades, where technical barriers limit global suppliers to a handful of firms. Downstream MLCC and semiconductor buyers are locked into long-term contracts at premium prices, making this segment more resilient to policy shifts than commodity-grade material.

Why did terbium oxide prices surge 64% while light rare earths lagged?

The price surge partly reflects strategic stockpiling and speculative buying, not just physical demand. End-users in the magnet sector are absorbing higher costs but may shift to dysprosium substitution if terbium prices stay elevated. Monitor monthly listings from Southern Rare Earth and Northern Rare Earth for trend confirmation.

Terbuim oxide price context

What drives Terbuim oxide prices

How will US and Australian heavy rare earth output reshape terbium oxide supply?: The export license approvals since mid-May 2025 are the key swing factor. At least six Chinese firms have received permits, which could trigger aggressive resto...

What drives the price gap between Chinese and overseas terbium oxide markets?: The real beneficiary may be high-purity terbium oxide at 5N-6N grades, where technical barriers limit global suppliers to a handful of firms. Downstream MLCC an...

How we assess Terbuim oxide price

China factory / mainstream market EXW quotes (VAT excluded where shown) - not a single global public index

Regional and specification detail so buyers can compare like-for-like grades

Landed cost figures from our calculator are planning estimates, not a customs ruling

Overview

Terbium oxide (Tb4O7, also referred to as terbium(III,IV) oxide, CAS 12037-01-3) is a brownish, water-insoluble powder with a high melting point, serving as a critical heavy rare-earth compound for high-end magnets, phosphors, and optical applications.

Magnetic materials: a key additive in neodymium-iron-boron permanent magnets, enhancing coercivity and high-temperature stability for EV motors and wind turbines.
Phosphors & optics: used in green/blue phosphors for X-ray screens, solid-state lasers, and optical materials.
Electronics & ceramics: applied in electronic devices, ceramic additives, and glass formulations.

China dominates global supply, holding an overwhelming share of terbium oxide production and exports, with heavy rare-earth output subject to export controls that have caused overseas price spikes. Domestic prices have shown limited upward momentum relative to light rare earths, with supply concentrated in southern ionic-clay resources and refining capacity far exceeding foreign competitors in purity and cost.

Key domestic producers:
China Rare Earth Group – major heavy rare-earth producer.
Xiamen Tungsten – integrated rare-earth refining and magnet materials.
Ganzhou Rare Earth – southern ionic-clay based heavy rare-earth specialist.

Properties

Name

Terbuim oxide

diterbium trioxide

oxygen(-2) anion

Terbia

Terbium oxide

CAS Number

12037-01-3

EINECS No.

234-849-5

Risk Codes

S26;S36

Safety Description

36/37/38

HS Code

2846900000

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