Emery Abrasive Powder is a high-quality granular abrasive derived from natural emery rock, enriched with over 58% aluminum oxide (Al₂O₃) and iron oxides, making it exceptionally hard and effective for a wide range of industrial and manufacturing applications. With a Mohs hardness of approximately 8 and a specific gravity of about 3.5, this abrasive powder offers sharp, blocky grains ideal for polishing, grinding, deburring, and surface preparation. Available in various grit sizes from coarse (24-60 grit) for heavy material removal to extra fine (320+ grit) for ultra-smooth polishing, it is perfectly suited for metal polishing (including stainless steel), glass finishing, optics, and specialty uses like rice hulling and surgical tool manufacturing. The product supports non-skid flooring applications when mixed with concrete or epoxy and is also widely used in sandblasting and emery paper/cloth production. Its angular grain structure delivers outstanding performance in pressure blasting while ensuring safety and efficiency throughout the abrasive process.
Key Features
| Features | Description |
|---|---|
| Primary Composition | 58% Al₂O₃ (Aluminum Oxide), 25% Fe₂O₃ (Iron Oxide), 4% SiO₂, with trace TiO₂ and CaO |
| Mohs Hardness | Approximately 8 |
| Specific Gravity | Around 3.5 |
| Bulk Density | 1.6–1.9 g/cm³ |
| Grit Size Range | Coarse (24-60), Medium (80-120), Fine (150-220), Extra Fine (320+) |
| Grain Characteristics | Angular, sharp-edged, blocky grains |
| Applications | Metal polishing, grinding, sandblasting, non-skid flooring, manufacturing emery paper, rice hulling |
| Performance | Effective in pressure blasting with high abrasive efficiency |
| MOQ | 1 KG |
| Packaging Unit | Kilogram (KG) |
| Attributes | Description |
|---|---|
| Chemical Composition | 58% Al₂O₃, 25% Fe₂O₃, 4% SiO₂, TiO₂, CaO |
| Mohs Hardness Level | ~8 |
| Specific Gravity | 3.5 |
| Bulk Density | 1.6–1.9 g/cm³ |
| Grit Sizes Available | 24 to 320+ grit |
| Physical Form | Granular powder with sharp, angular grains |
| Color | Dark |
| Typical Uses | Polishing metals (stainless steel, surgical tools), glass, optics, sandblasting, non-skid flooring |
| MOQ | 1 KG |
| Packaging | Sold per Kilogram |
*Disclaimer: The above description has been AI-generated and has not been audited or verified for accuracy. It is recommended to verify product details independently before making any purchasing decisions.
The Emery Abrasive Powder is available in several grit ranges including Coarse (24-60), Medium (80-120), Fine (150-220), and Extra Fine (320+). Lower grit numbers represent coarser grains used for rapid material removal, rust stripping, or rough shaping, while higher grit numbers are finer and ideal for finishing, polishing, or pre-coating preparation.
Yes, when mixed with concrete or epoxy, Emery Abrasive Powder enhances surface traction, making it suitable for non-skid flooring solutions.
Yes, the powder comes in extra fine grit sizes (320+) specifically intended for ultra-smooth polishing required in delicate applications such as optics and jewelry.
Due to the angular grains and abrasive nature, it's important to use appropriate safety gear including eye protection, gloves, and dust masks when handling or using Emery Abrasive Powder in pressure blasting to avoid injury and inhalation hazards.
The MOQ is 1 Kilogram, making it convenient for businesses needing small to large quantities.
Country Of Origin: India
Emery abrasive powder is a granular material derived from emery rock, primarily used for polishing, grinding, and surface preparation. It consists mainly of corundum (aluminum oxide) mixed with iron oxides and other minerals, offering a Mohs hardness of around 8.
Composition :
Emery powder typically contains at least 58% Al₂O₃, 25% Fe₂O₃, 4% SiO₂, and smaller amounts of TiO₂ and CaO, with a specific gravity of about 3.5.
Its dark color and blocky, sharp-edged grains make it dense and effective as an abrasive.
Key Applications :
Polishing metals like stainless steel, glass, and optics; also for rice hulling, jewelry, and surgical tools.
Non-skid flooring when mixed with concrete or epoxy, sandblasting, and deburring.
Manufacturing emery paper/cloth, mill stones, and barrel finishing media.
Properties :
It has angular grains, a bulk density of 1.6–1.9 g/cm³, and performs well in pressure blasting despite being less durable than synthetic alumina.
Choosing the right grit size for emery abrasive powder depends on your material, the task's aggressiveness, and the desired finish. Lower grit numbers mean coarser particles for heavy removal, while higher numbers provide finer polishing.
Grit Ranges :
Coarse (24-60 grit): Ideal for rapid material removal, rust/paint stripping, or shaping rough metals and wood.
Medium (80-120 grit): Suited for smoothing after coarse work, surface preparation, or intermediate sanding on steel/glass.
Fine (150-220 grit): For finishing, light polishing, or pre-coating prep on metals and optics.
Extra Fine (320+ grit): Best for ultra-smooth polishing, like jewelry or final metal buffs.
Selection Tips :
Start coarse and progress finer for multi-step jobs to avoid deep scratches. Match to workpiece hardness—coarser for soft/rusty metals, finer for delicate finishes—and test on scrap.
Emery's angular grains excel in pressure applications, but always prioritize safety gear.
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