White Fused Alumina WFA 99.5% Al2O3 Powder - Mohs 9.0-9.5 Hardness for Industrial Polishing and Refractory Applications
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
7-15 work days
Brand:
XINHAOCHENG
Product Description
Product Overview
White Fused Alumina (WFA) is a high-purity synthetic abrasive manufactured through electric arc furnace fusion at extreme temperatures. With exceptional hardness (Mohs 9.0-9.5) and 99.5% Al2O3 purity, this white corundum powder delivers superior grinding efficiency and thermal stability up to 1900°C.
Key Specifications
| Property | Value |
|---|---|
| Al2O3 Purity | ≥99.5% |
| Mohs Hardness | 9.0-9.5 |
| Melting Point | 2250°C |
| Maximum Operating Temperature | 1900°C |
| True Density | 3.90 g/cm³ |
| Bulk Density | 1.5-1.99 g/cm³ |
| PH Value | 7-8 (Neutral) |
Technical Advantages
High Purity & Hardness
99.5% minimum Al2O3 content ensures exceptional grinding efficiency and cutting performance
Thermal Stability
Maintains structural integrity and wear resistance at temperatures up to 1900°C
Consistent Particle Size
Uniform grain distribution prevents substrate scratching and ensures consistent surface finishes
Chemical Resistance
Neutral PH and resistance to most corrosive acids and alkalis
Particle Size Standards
Available in multiple international grading systems:
- JIS Standards: 240# to 12500#
- European Standards: F240 to F6000
- National Standards: W63 to W0.5
Chemical Composition
| Size Range | Al2O3 (%) | SiO2 (%) | Fe2O3 (%) | Na2O (%) |
|---|---|---|---|---|
| F90-F150 | ≥99.50 | ≤0.10 | ≤0.05 | ≤0.30 |
| F180-F220 | ≥99.50 | ≤0.10 | ≤0.05 | ≤0.30 |
| #240-#3000 | ≥99.50 | ≤0.10 | ≤0.05 | ≤0.30 |
| #4000-#12500 | ≥99.50 | ≤0.10 | ≤0.05 | ≤0.30 |
Industrial Applications
- Grinding & Polishing: Precision surface finishing for metals, ceramics, and composites
- Refractory Products: High-temperature applications in steel, cement, and glass manufacturing
- Abrasive Blasting: Surface cleaning and preparation without substrate damage
- Precision Casting: Investment casting molds for dimensional accuracy
- Ceramics & Tiles: Additive for enhanced strength and thermal shock resistance
Packaging Options
Available in 25kg plastic bags, 1000kg ton bags, or customized packaging solutions to meet specific requirements.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Luoyang Haocheng Abrasive Tools Co., Ltd
Location
No. 1, Xianfengqu West, 1st Street, Lihezhao Community, Hebin Sub-district Office, Yichuan County, Luoyang City, Henan Province
Contact Person
Liu