Description
BKA-XL720A is a premium-grade cerium oxide polishing powder tailored for fine polishing of crystals, gemstones, and specialty glass surfaces. With a finely controlled particle size distribution (D50: 1.5–2.0 µm, D90: ≤5.6 µm) and high cerium content (70–80%), it delivers excellent clarity, uniformity, and surface smoothness. Its stable suspension, optimal pH (6–8), and white appearance make it a versatile solution for both precision polishing and large-scale industrial use.
NOTE: Shipment is by sea.
High-Purity Cerium Oxide Powder for Crystal and Glass Polishing – BKA-XL720A (640 kg pack)
Specifications
| Abrasive Type: | Cerium Oxide |
|---|---|
| Abrasive Particle Size: | Fine |
| Carrier Fluid: | Water |
| Polishing Method: | Machine Polishing |
| Polishing Temperature: | Room Temperature |
| CeO2: | 75-85% Content |
| La2O3: | 15-25% |
| Other: | <5% |
| D50 （Median Particle Diameter）: | 3.3-5.0 um |
| D90 (90% Of Particles): | <=15 um |
| Suspension (Even Dispersion): | 90-100% |
| PH: | 6-8 |
| Color: | White |
| Specific Surface Area: | 5.86 m^2/g |
| Surface Weighted Mean: | 1.024 um |
| Volume Weighted Mean: | 2.099 um |
| 640 Kg Package Price + Shipment To USA By Sea: | $2,314 + $200 |
| 640 Kg Package Delivery Time To Port Of Entry In USA: | 35 days |
| Estimated Tariff For USA: | 10% (universal tariff) |
| Manufacturer Part Number (MPN): | BKA-XL720A |
| FindLight SKU: | FL-23474 |
Download Data Sheet
Features
- High Cerium Oxide Content (75–85%) for superior polishing efficiency
- Narrow Particle Size Range for consistent surface finishing (D50: 3.3–5.0 µm)
- Excellent Suspension (90–100) for easy handling and mixing
- Neutral pH (6–8) and low contamination risk with <5% other materials
- White Color ideal for monitoring polishing progress and preventing staining
- Packaged in 20kg cartons suitable for industrial use
Applications
- Polishing Powder for Crystals and Gems – Perfect for jewelry, watches, and decorative items
- Glass Polishing Powder – Used in the finishing of construction and furniture glass
- Optical Component Polishing – Ensures clarity in lenses, prisms, and high-precision optics
- Ideal for Cerium-Based Slurry Formulations in industrial polishing operations
Export & Trade Information
| ECCN: | EAR99 |
|---|---|
| HTS Code: | 3405.90.0000 |
| Estimated US Tariff: | 10% |
Frequently Asked Questions
What is BKA-XL720A polishing powder used for?
It is used for polishing crystal decorations and construction or furniture glass.
What is the main chemical composition of this Cerium Oxide polishing powder?
It contains 75–85% CeO₂ and 15–25% La₂O₃.
What is the particle size of the powder?
D50 is 3.3–5.0 µm, and D90 is ≤15 µm for controlled polishing performance.
How stable is the powder in suspension?
It maintains 90–100% suspension, ensuring uniform dispersion in slurry form.
What is the pH value of the polishing slurry?
The pH of the slurry is between 6 and 8, ideal for most glass polishing processes.
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