WA JIS1500 White Fused Alumina Micro Powder for Paint Filler
WA JIS1500 White Fused Alumina Micro Powder is a high-performance fine filler material specially developed for paint, coating and surface treatment applications. With its uniform particle size distribution, high whiteness and excellent chemical stability, this micro powder helps coatings achieve smooth surface texture, good suspension performance and consistent finish quality.
As an important functional filler in paint systems, WA JIS1500 can effectively improve the hardness, abrasion resistance and scrub resistance of coating films. Its fine particle morphology allows it to be evenly dispersed in solvent-based and water-based paints, reducing the risk of settling and helping form a dense, flat and uniform coating layer. This makes it suitable for architectural coatings, industrial paints, primers, topcoats and surface protection coatings.
One of the key advantages of WA JIS1500 is its stable quality under different production conditions. The micro powder is produced through controlled crushing, milling and classification processes, ensuring narrow particle size distribution and low impurity content. This consistency helps paint manufacturers maintain stable batch-to-batch quality, which is especially important for automated coating production lines and high-standard finishing processes.
In practical application, WA JIS1500 contributes to better paint workability and film performance. It can improve the filling power of the coating, enhance surface leveling and reduce surface defects such as pinholes, sagging and uneven gloss. At the same time, its good compatibility with various resin systems allows formulators to adjust paint formulas without causing major changes to existing production processes.
WA JIS1500 is suitable for customers who require both high whiteness and reliable filler performance in paint production. It can be used as a cost-effective filler component to improve coating durability, surface smoothness and overall application efficiency. For industrial coating manufacturers, paint formulators and surface treatment suppliers, WA JIS1500 offers a reliable solution for producing high-quality paint filler systems.
TYPICAL CHEMICAL ANALISIS [%]:
| Al2O3 | Fe2O3 | SiO2 | FeO | MgO | CaO | TiO2 | Na2O | K2O | LOI |
| 99.5 | 0.04 | 0.01 | / | 0.01 | 0.01 | / | 0.25 | 0.01 | < 0.09 |
PHYSICAL PROPERTIES
| Specific Weight | Hardness | Crystal form | Melting Point |
| 3.96 g/ cm3 | 9.0Mohs scale | α- Alumina | 2050℃ |
PARTICLE SIZE DISTRIBUTION
| Size | DO(um) | D3(um) | D50(um) | D94(um) |
| #240 | ≤127 | ≤103 | 57.0±3.0 | ≥40 |
| #280 | ≤112 | ≤87 | 48.0±3.0 | ≥33 |
| #320 | ≤98 | ≤74 | 40.0±2.5 | ≥27 |
| #360 | ≤86 | ≤66 | 35.0±2.0 | ≥23 |
| #400 | ≤75 | ≤58 | 30.0±2.0 | ≥20 |
| #500 | ≤63 | ≤50 | 25.0±2.0 | ≥16 |
| #600 | ≤53 | ≤41 | 20.0±1.5 | ≥13 |
| #700 | ≤45 | ≤37 | 17.0±1.5 | ≥11 |
| #800 | ≤38 | ≤31 | 14.0±1.0 | ≥9.0 |
| #1000 | ≤32 | ≤27 | 11.5±1.0 | ≥7.0 |
| #1200 | ≤27 | ≤23 | 9.5±0.8 | ≥5.5 |
| #1500 | ≤23 | ≤20 | 8.0±0.6 | ≥4.5 |
| #2000 | ≤19 | ≤17 | 6.7±0.6 | ≥4.0 |
| #2500 | ≤16 | ≤14 | 5.5±0.5 | ≥3.0 |
| #3000 | ≤13 | ≤11 | 4.0±0.5 | ≥2.0 |
| #4000 | ≤11 | ≤8.0 | 3.0±0.4 | ≥1.8 |
| #6000 | ≤8.0 | ≤5.0 | 2.0±0.4 | ≥0.8 |
| #8000 | ≤6.0 | ≤3.5 | 1.2±0.3 | ≥0.6 |
Applications:
-Bonded Abrasives and Coated abrasives
-Creating a matt finish on glass
-Wet and dry blast media,grinding and polishing etc -Floor/Wall laminates,
-Wear-resistant
-Thermal spraying/plasma spraying,Processing very hard component -Catalyst Carrier
-Ceramic and Tiles,Ceramic filter plate,ceramic membrane etc
-Grinding wheels,Cup wheels,Whetstone,polishing pads etc
-Blast-cleaning.surface finishing,Deburring,Roughening metallic surfaces






