Pink chrome corundum oilstone
Our Pink Fused Alumina (PA) Sharpening Stone (Chromium Aluminum Oxide) is manufactured from premium-grade alumina fused with chromium oxide under high temperatures. Its micro-hardness is close to White Fused Alumina
- Commodity name： Pink chrome corundum oilstone
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- Product Description
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Product Overview
High-Efficiency Grinding & Precision Polishing — Industrial Grade Pink Fused Alumina Oil Stone
Our Pink Fused Alumina (PA) Sharpening Stone (Chromium Aluminum Oxide) is manufactured from premium-grade alumina fused with chromium oxide under high temperatures. Its micro-hardness is close to White Fused Alumina, but it possesses significantly higher fracture toughness. During the grinding process, it retains sharp cutting edges and exceptional profile stability, making it the ideal choice for high-hardness metal processing and precision mold maintenance.
Key Selling Points & Advantages
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Optimal Balance of Toughness & Self-Sharpening: The addition of chromium matrix elements enhances the toughness of the abrasive grains. It maintains aggressive cutting action while dramatically reducing wear rate, resulting in a prolonged service life.
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Excellent Profile & Shape Retention: Highly resistant to grooving, dishing, or premature deformation. It maintains superior flat parallelism over extended periods, ensuring high-precision processing tolerances.
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Cool Cutting Action without Loading: Engineered with a highly uniform structural matrix that delivers efficient heat dissipation. This prevents localized structural burning, discoloration, or micro-cracking on precision workpieces.
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Versatile Surface Conditioning: Capable of seamlessly transitioning from heavy deburring and rapid stock removal to ultra-fine micro-polishing across diverse industrial setups.
## Target Applications & Material Compatibility
Widely utilized in manufacturing sectors that demand high surface finishes and extreme dimensional accuracy:
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Mold & Die Fabrication: Ideal for profile detailing, cavity polishing, and EDM scale removal on injection molds, stamping dies, and casting blocks.
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Tool & Cutter Sharpening: Fine sharpening of high-speed steel (HSS) tools, industrial shears, reamers, gauges, and high-precision machinery components.
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Material Versatility: Perfectly optimized for quenched steel, hardened alloy steel, high-carbon steel, tool steel, stainless steel, structural bearings, and delicate instrument parts.
## Technical Specifications
Parameter / Property Industrial Standards & Specifications Primary Material Premium Pink Fused Alumina / Chromium Aluminum Oxide (PA/RA) Bonding Matrix Vitrified Ceramic Bond Grit Range Available F80, F120, F150, F180, F240, F320, F400, F600, F800, F1000, F1200 (Customizable) Geometrical Shapes Square, Rectangular, Triangular, Half-round, Cylindrical Round, Knife-edge Standard Dimensions 100x12x6mm, 150x12x6mm, 150x25x25mm, 200x50x25mm (Full OEM/ODM support) Hardness Grades Medium-Soft (G/H/J) to Medium-Hard (K/L/M) Operation & Maintenance Instructions
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Lubricant Recommendation: Always utilize appropriate honing oils, kerosene, or water-soluble coolants during operation. Proper lubrication flushes away metal swarf, prevents structural stone loading, and elevates surface finish brightness.
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Pressure Regulation: Apply uniform, steady manual pressure along the profile line. Avoid excessive localized force which may cause uneven abrasive wear.
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Sequential Grinding Protocol: For heavy scratch rectification, begin with an aggressive coarser grit (e.g., F240) and systematically progress to fine finishing grits (e.g., F600, F1000) for an optimized mirror finish.
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