Brown Fused Alumina Micro Powder (F150–F240)

Brown Fused Alumina Micro Powder is engineered for ultrafine finishing tasks where precision is paramount. With mesh sizes from F150 to F240, this abrasive powder excels in lapping, polishing, and micro-grinding for ceramics, optics, and metal parts.

Brown Fused Alumina Micro Powder F150–F240

Key Features of Brown Fused Alumina Micro Powder

Ultrafine Grit Size

Available in F150 to F240 mesh, optimized for polishing and lapping applications.

High Purity & Hardness

≥95% Al₂O₃ with Mohs hardness 9.0 — delivers clean, sharp performance on hard materials.

Minimal Surface Defects

Ideal for achieving high-gloss finishes on optical glass, semiconductors, and precision alloys.

Applications of BFA Micro Powder

Electronics & Semiconductors

Used for wafer edge polishing, LED substrate grinding, and circuit board surface prep.

Precision Ceramics

Essential for polishing alumina ceramics and zirconia used in engineering and biomedical fields.

Optical Glass Finishing

Delivers scratch-free surfaces for lenses, prisms, and high-end optical components.

Technical Specifications

Property Value Description
Grit Size Range F150 – F240 FEPA standard mesh for micro-abrasives
Al₂O₃ Content ≥ 95% High alumina ensures purity and performance
Hardness Mohs 9.0 Suitable for ultra-hard surfaces
Typical Use Polishing, lapping, micro-grinding Precision finishing operations

Frequently Asked Questions

Is this powder suitable for glass polishing?
Yes, it provides excellent clarity and minimal scratching for optical-grade glass.
Can I request custom particle size distributions?
Absolutely. We offer customized specifications for different polishing systems.
Does it work in wet polishing processes?
Yes, our micro powder is compatible with both wet and dry polishing techniques.
What is the recommended packaging?
Usually supplied in moisture-proof 25kg bags or sealed PE barrels.

Summary

Brown Fused Alumina Micro Powder (F150–F240) offers precision-grade performance for industries requiring clean, high-gloss finishes. It is the preferred choice for demanding B2B buyers in electronics, ceramics, and optics.

Why Choose F150–F240 Brown Fused Alumina Micro Powder?

  • Ultrafine grain size for high-precision polishing and lapping
  • Excellent for use in refractory matrixes and high-temperature applications
  • Consistent particle morphology ensures uniform finish quality
  • Low magnetic content and high Al2O3 purity (≥95%)
Why Choose BFA Micro Powder

Industry Use Cases

Semiconductor Ceramics

Used for polishing ceramic substrates, insulators, and microelectronic components.

High-Performance Refractories

Added as fine matrix powder in castables and ramming mixes for steel and glass furnaces.

Precision Polishing Pastes

Integrated into paste or slurry formulations for mirror-finish polishing of metals and hard materials.