Lanthanum Oxide as Functional Additive for High Refractive Optical Glass
Product Details
| Chemical Formula: | Lanthanum Oxide, La₂O₃ | CAS No.: | 1312-81-8 |
|---|---|---|---|
| TREO: | ≥98.5% | La₂O₃ / TREO: | ≥99% |
| Appearance: | White | Particle Size: | Customised |
| Highlight |
Lanthanum oxide optical glass additive,Rare earth oxide high refractive,Lanthanum oxide functional additive |
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Product Description
Lanthanum Oxide as Functional Additive for High Refractive Optical Glass
Product Overview
Our industrial-grade lanthanum oxide (La₂O₃) powder is specially formulated as a high-performance functional additive for optical glass manufacturing. As a classic rare earth dopant for lanthanum crown glass, it helps glass designers reduce chromatic aberration, improve light transmittance and enhance chemical resistance against moisture and alkali corrosion. It is widely favoured by optical blanks, camera lens and optical fibre preform manufacturers for stable batch consistency, low impurity interference and controllable sintering behaviour.
Key Features
- High lanthanum selectivity, stable contribution to high refractive & low dispersion optical formula
- Customisable particle size for uniform fusion in glass melt
- Low heavy metal impurities, suitable for precision optical grade production
- Good thermal stability under high-temperature glass melting environment
- Strict batch-to-batch consistency for continuous glass production lines
Particle Size Distribution
Applications
Functional additive for high-refractive-index low-dispersion optical glass, optical lens blanks, imaging optics, infrared optical glass.
Frequently Asked Questions
Q1: Can this La₂O₃ be directly added into glass batch materials?
A1: Yes, it is ready for batching. We adjust particle size to match your melting formulation for better dispersion.
Q2: How do you control impurities that affect glass transmittance?
A2: We control transition metal impurities via solvent extraction separation, with full ICP-OES test report supplied per shipment.
Q3: What packaging do you use to prevent moisture absorption?
A3: Sealed inner plastic bag
Q4: Can you supply trial sample quantity for glass formula testing?
A4: Yes
Product Highlights
Lanthanum Oxide as Functional Additive for High Refractive Optical Glass Product Overview Our industrial-grade lanthanum oxide (La₂O₃) powder is specially formulated as a high-performance functional additive for optical glass manufacturing. As a classic rare earth dopant for lanthanum crown glass, ...
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