Astrra Chemicals
Chennai, Tamil Nadu
GST No. 33AAAFA7706K1ZN
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Product Details:
| Minimum Order Quantity | 100 Kg |
| Packaging Size | 50 KGS |
| Grade | POLISHING GRADE |
| Packaging Type | Bag |
| Form | POWDER |
| Brand | ASTRRA |
| Color | PURE WHITE |
We have been able to manufacture, supply, export and wholesale best-in-class ALUMINA POWDER. Processed under the guidance of sedulous professionals, these chemicals are assured for their purity and fine quality. Furthermore, we employ technically advanced machines and techniques in the processing endeavors so as to be sure of their accurate composition.
Additional Information:
Product Details:
| Minimum Order Quantity | 100 Kg |
| Brand | Astrra Chemicals |
| Hardness | 2090 Knoop scale,9.0 Mohs scale |
| Color | White |
| Bulk Density Test Value | 1.55 g/cm3 |
| Refractory Degree | About 1800 deg C |
| Magnetic Material | 0.0035% |
Aluminium Oxide Powder White (Grade - 400 M) is a high-purity, fine-micronized abrasive material with excellent hardness and thermal stability. It is widely used in polishing and other industrial applications due to its physical and chemical properties.
�� USES & APPLICATIONS of Aluminium Oxide Powder White (Grade - 400 M) ✅ 1. Polishing & LappingUsed for fine polishing and lapping of metals, glass, ceramics, and semiconductors.
Ideal for mirror finishing in optical components and precision instruments.
Used in jewelry and watch polishing due to its fine abrasive quality.
Acts as a micro-abrasive in coated abrasives, non-woven pads, and polishing compounds.
Used in abrasive pastes, slurries, and suspensions for surface refinement.
Added as a raw material in high-alumina refractory formulations for better wear resistance and thermal stability.
Used in casting molds for high-temperature alloys.
Used in the production of technical ceramics, where purity and particle size control are essential.
Helps improve density, strength, and thermal resistance in finished ceramics.
Utilized for surface roughening before coatings or plating.
Helps enhance adhesion of paints and coatings in automotive, aerospace, and electronics.
Used in CMP (Chemical Mechanical Polishing) for silicon wafers.
Suitable for thin-film polishing and surface conditioning.
Used as a standard abrasive in laboratory-scale experiments.
Employed in materials testing and tribology studies for wear analysis.
Included in dental polishing pastes and compounds.
Used in orthopedic and prosthetic surface finishing.
Purity: High (>99%)
Particle Size: Micronized to 400 mesh (fine powder)
Color: White
Mohs Hardness: ~9 (second only to diamond)
Non-reactive, chemically stable, and heat-resistant