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| Customization: | Available |
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| Color: | Green |
| Application: | Refractory, Metallurgy, Chemical, Ceramic, Casting |
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Key Characteristics & Advantages | ||
Characteristic Dimension | Detailed Description | Value Created for Customers |
Extreme Hardness & Wear Resistance | Mohs hardness up to 9.2–9.3, second only to diamond and cubic boron nitride (CBN); excellent wear resistance. | Powerful cutting performance and long service life: far superior efficiency in machining hard and brittle materials, with low unit consumption. |
Excellent Thermal Conductivity & Stability | High thermal conductivity effectively dissipates grinding heat; retains strength even at 1600 | Reduces workpiece “burning”: prevents localized overheating and surface degradation, ideal for heat-sensitive materials. |
High Purity & Chemical Inertness | SiC content ≥ 99%, with extremely low levels of free carbon and metallic impurities. | Clean, contamination-free surface: chemically stable, non-reactive with workpiece, ensuring final performance integrity. |
Precise Particle Size Control | Advanced classification technology ensures narrow particle size distribution (Span < 0.8), with no oversized particles. | Delivers uniform surface quality: enables predictable material removal rate and nanometer-level surface finish, free from unexpected scratches. |
Sharp Particle Morphology | Particles feature sharp edges and strong cutting ability. | High grinding efficiency: maintains strong material removal capability in both rough and fine grinding stages. |
Typical Applications | ||
Application Area | Recommended Grit Size | Value Delivered |
Semiconductor Materials | F1000 – F2000 | Back-side thinning and CMP of Si, GaAs and SiC wafers; damage-free, metal-contamination-free surfaces. |
Precision Optics | F800 – F1500 | Fine grinding & polishing of optical glass, quartz, sapphire and glass-ceramics; achieves nanometric surface finish (Ra < 0.5 nm) and high form accuracy. |
Advanced Ceramics | F400 – F1200 | Precision grinding of structural/functional ceramics (ZrO2, Al2O3, Si3N4); high MRR and chip-free edges. |
Surface Treatment & Coatings | F600 – F1000 | Wear-resistant filler for paints, plastics and rubbers; markedly improves abrasion and scratch resistance. |
Quartz & Crystal Devices | F500 – F1500 | Precision machining of quartz-crystal resonators and optical quartz glass; excellent surface quality with no degradation of piezo-optical properties. |
Product Specifications | ||
Parameter Category | Henan YUMO Specification | Test Method |
Chemical Composition | SiC: ≥ 99 % | Chemical analysis / XRF |
Free C: ≤ 0.20 % | ||
Fe2O3: ≤ 0.08 % | ||
Mohs Hardness | 9.2 – 9.3 | Mohs hardness tester |
Particle-Size Range | F230, F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200, F1500, F2000 | Laser particle-size analyzer |
(or JIS #800 – #8000) | ||
Magnetic Content | ≤ 40 ppm | Magnetic-separation measurement |
Surface Treatment | Optional (hydrophilic, hydrophobic, silane, etc.) | — |
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