What is Bismuth Oxide?
Bismuth Oxide
Bismuth Oxide is the Bi2O3 family and base-material gateway for phase, grade, supplied-form, laser, optical, ceramic, catalyst, electrolyte, and sensor review.
Technical owner: Aurexene Materials Engineering Team · Last updated: 2026-06-11
What It Is Not
- Bismuth Oxide is not a phase-specific alpha, beta, or delta Bi2O3 grade unless that phase is explicitly confirmed.
Intrinsic Screening Summary
- Identity screen
- Bi2O3; Oxide particles
- Intrinsic feature
- Bismuth Oxide is the family gateway for Optical Black Coatings, Laser Marking Pigments, Catalysis, and Varistor & Functional Ceramic Sensors, with crawlable routes to exact phase and Ca-doped nodes.
- Material-level integration
- Use when evaluating Optical Black Coatings / Laser Marking Pigments formulations or systems.
Application Fit
Material Identity & Specification Status
Approved values for Particle size, Density, Purity, and Packaging are not published; confirm them during quotation or sample review.
| Property | Value |
|---|---|
| Composition | Bi2O3 |
| CAS / identity | 1304-76-3 |
| Morphology | Oxide particles |
| Storage | Dry sealed container |
Why It Works
| Structure | Function | Mechanism |
|---|---|---|
| Bi2O3 family or base-material powder whose exact phase and grade require evidence when phase-specific behavior matters. | Bismuth Oxide is the family gateway for Optical Black Coatings, Laser Marking Pigments, Catalysis, and Varistor & Functional Ceramic Sensors, with crawlable routes to exact phase and Ca-doped nodes. |
Compare Material Routes
Technical Guides
| Technical Guide | Summary |
|---|---|
| How to Distinguish Bismuth Oxide Phases and Ca-Doped Bi2O3 | A material-native family guide that separates Bismuth Oxide as the Bi2O3 gateway, alpha/beta/delta phase nodes, Ca-Doped Bismuth Oxide as a modified functional route, and non-Bi2O3 compounds outside the phase selector. |
| How Bismuth Oxide Additions Affect Liquid-Phase Sintering and Grain-Boundary Formation | How Bismuth Oxide Additions Affect Liquid-Phase Sintering and Grain-Boundary Formation — a method-conditioned engineering guide for Varistor & Functional Ceramic Sensors covering structure-function behavior at the material, interface, and finished-system boundary, process limits, validation, and qualification boundaries. |
Documents & Inquiry
Document access follows the current approval state. Unapproved or unavailable files route to a document request instead of a public download.
Technical Data Sheet
Request required
Safety Data Sheet
Request required
Grade, Sample & Qualification Support
The Aurexene Materials Engineering Team can review the required form, host system, formulation or process, target, sample quantity, volume and timeline, and the grade-specific evidence needed before qualification.
Review Lab Capabilities for sample evaluation and qualification support, or Production Capabilities for scale-up, quality, documentation, and supply support.
Request Bismuth Oxide Sample / Qualification Review