High-Purity Critical Metal Oxides Delivered Across Europe

REACH-compliant tantalum pentoxide, niobium pentoxide and selected rare earth oxides supplied from Madrid for industrial, laboratory and advanced-technology applications.

Flexible quantities, technical documentation and responsive delivery from Madrid.

Tantalum Pentoxide — Ta₂O₅
99.99% high-purity oxide for optical coatings, advanced ceramics, electronics and specialist industrial applications.

Niobium Pentoxide — Nb₂O₅
99.99% high-purity oxide for electroceramics, optical materials, thin-film processes and research applications

Selected Rare Earth Oxides
High-purity Yttrium Oxide (Y₂O₃) • Gadolinium Oxide (Gd₂O₃) • Neodymium Oxide (Nd₂O₃) • Terbium Oxide (Tb₄O₇) • Scandium Oxide (Sc₂O₃)

Corporate Introduction to EuStrategix Critical Metals and our High-purity rare earth oxides supply solutions across Europe

European Supplier of REACH-Compliant Critical Metal Oxides

EuStrategix supplies high-purity tantalum pentoxide (Ta₂O₅), niobium pentoxide (Nb₂O₅) and selected rare earth oxides to manufacturers, laboratories and advanced-technology companies across Europe.

Based in Madrid, Spain, we support small-lot, pilot-lot and specialized industrial requirements with responsive European delivery, batch-level documentation and full supply-chain traceability.

Our materials are sourced from qualified producers and supplied with the applicable Certificate of Analysis, technical specifications and compliance documentation.

Reliable European Supply of Critical Metal Oxides

EuStrategix supplies high-purity tantalum oxide, niobium oxide powders and selected rare earths for advanced industrial and research applications across Europe. Our materials are used in industries that demand consistent purity, tight impurity control, and detailed analytical documentation.

Small-Lot and Pilot-Lot Rare Earth Oxides and High-Purity Materials

Unlike traditional bulk suppliers, EuStrategix focuses on small-lot and pilot-scale supply.
We support:
Research institutions
Pilot manufacturing programs
Materials validation
Specialized industrial applications

This approach allows customers to obtain small-lot and pilot-lot rare earth oxides in Europe without the large minimum orders often required by primary producers.

If a material is not currently in stock, we source it through our qualified supply network and ensure availability when needed.

Industries We Support

As a European supplier of critical metal and rare earth oxides, our materials support a wide range of advanced industries:

  • Advanced ceramics
  • Optical coatings and photonics
  • Semiconductors and electronics
  • Aerospace and high-temperature applications
  • Thin-film and specialty coatings
  • Research institutions and laboratories

Quality Assurance and Documentation

We support applications requiring high purity, controlled particle size, trace-impurity documentation and dependable European supply.

These standards ensure our materials meet the expectations of European industrial, research, and regulatory environments.

We’re not Plan A.
We’re your backup supply line — your critical metal and rare earth oxides supplier you can rely on when timing matters most.

A Responsive Partner for High-Purity Metal Oxides

EuStrategix exists to support organizations that require reliable access to high-purity critical oxides within Europe.

Whether supporting research, pilot production, or specialized industrial applications, our goal is to provide agile sourcing, transparent pricing, and dependable supply.

What We Guarantee:
Documentation is provided according to the product, batch, volume and applicable regulatory requirements. This may include a Certificate of Analysis, SDS, particle-size data, traceability statements and relevant REACH or RoHS documentation.

We work only with qualified partners who meet our standards. We maintain a transparent audit trail from the original source through warehousing and final delivery.

Close-up of airplane landing gear on runway, symbolizing EU Strategix’s role in supplying high-purity critical minerals and rare earth oxides for aerospace, defense, and advanced engineering applications


Auditable. Certifiable. Ready to go

We don’t do everything — only the critical few. And we do them exceptionally well.

When your supplier misses, we don’t.

Our Focus

Our core materials include high-purity tantalum pentoxide (Ta₂O₅), niobium pentoxide (Nb₂O₅) and selected strategic oxides.

• Advanced Ceramics & Electroceramics

• Optical Coatings & Photonics

• Aerospace & High-Temperature Materials

• Semiconductors & Electronics Manufacturing

• Thin-Film & Specialty Coating Materials

• Research Institutions & R&D Laboratories

EuStrategix focuses on high-purity materials, reliable sourcing, and responsive supply, helping customers maintain production, validation programs, and research without disruption.

Currently available from EU stock: Ta₂O₅, Nb₂O₅
Pipeline (post-licensing): Bi, Dy₂O₃, Nd₂O₃, Tb₄O₇ 

Yttrium Oxide (Y₂O₃)

A high-performance rare earth oxide widely used in advanced ceramics, optical coatings, phosphors, lasers, electronics, and high-temperature applications. Available in 4N/5N high-purity grades, supporting demanding industrial and advanced-technology applications.
Classification: Critical Raw Material / Rare Earth Element

Gadolinium Oxide (Gd₂O₃)

A high-performance rare earth oxide used in advanced ceramics, solid oxide fuel cells, electronics, optical materials, phosphors, and specialized magnetic applications. Available in 4N/5N high-purity grades, suitable for demanding industrial and advanced-technology applications.
Classification: Critical Raw Material / Rare Earth Element

Scandium Oxide (Sc₂O₃)

A high-value rare earth oxide used in advanced ceramics, solid oxide fuel cells, high-performance alloys, aerospace applications, lasers, and specialized lighting. Available in high-purity grades, suitable for demanding aerospace, energy, electronics, and advanced-material applications.
Classification: Critical Raw Material / Rare Earth Element


Niobium Powder (Nb)

Crucial for superalloys, high-strength steel, and optical components. Our high-purity niobium powders are available in selected grades, subject to specification, availability and applicable compliance requirements.

Classification: Critical Mineral


Tantalum Powder (Ta)

Essential in capacitors, aerospace alloys, and electronics. Available in 4N/6N high-purity grades for components requiring ultra-high material integrity.

Classification: Both Critical Mineral & Strategic Technology Element


Terbium Oxide (Tb₄O₇)

Used in phosphors, fuel cells, and magnetics. Improves magnet stability and luminescence in screens and sensors. 4N/6N high-purity grades.

Classification: Rare Earth Element

HOW IT WORKS


Need It Urgently?

We Deliver—Fast.

At EuStrategix, our core mission is speed with certainty. When your supply chain falters, we step in—delivering high-purity grade critical metals and rare earth oxides Just In Time, fully compliant and ready for immediate use.

As a European supplier of critical metals and rare earth oxides, we provide fast, REACH-compliant deliveries designed to support production continuity and reduce regulatory risk.

Stocked materials can typically be dispatched from Madrid within 48–72 hours, subject to order confirmation, documentation requirements, destination, and logistics availability.

For urgent requirements, we may also offer Critical Response Delivery, with expedited 12- or 24-hour service for situations where delays could cause significant operational or financial disruption.

Contact us to confirm whether Critical Response Delivery is available for your product and destination. Where feasible, we will prioritise the shipment and coordinate the fastest practical delivery option.

Contact EuStrategix

If your organization requires high-purity critical metals or rare earth oxides, contact EuStrategix at +34 91 198 9011. We will help identify a supply solution suited to your technical and delivery requirements.

EuStrategix Critical Metals S.L.

Madrid, Spain

info@eustrategixcriticalmetals.com

+34 911 98 90 11


If it’s not REACH compliant, it’s not crossing the border

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