Green Silicon Carbide Micropowder as Ceramic Materials

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Posting date : Mar 28, 2014

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Green Silicon Carbide Micropowder as Ceramic Materials 1.Introduction: Green Silicon Carbide is an extremely hard (Knoop 2600 or Mohs 9.4) man made mineral that possesses high thermal conductivity (100 W/m-K). It also has high strength at elevated temperatures (at 1000°C, Green SiC is 7.5 times stronger than Al2O3). Green SiC has a modulus of elasticity of 410 GPa, with no decrease in strength up to 1600°C, and it does not melt at normal pressures but instead dissociates at 2815.5°C. Green SiC is an entirely new batch composition made from Silica sand and coke, and is extremely pure. It can be manufactured in many complex bonded shapes, which are utilized for superrefractory purposes. Green SiC is also ideal for a wide variety of abrasive applications. 2.Application: Aerospace Blasting Coatings Composites Compounds Honing Stones Kiln Furniture Lapping Polishing Refractories Silicon, Quartz Vitrified and Resinoid Grinding Wheels Wire Sawing Silicon, Quartz 3.Chemical Composition(%) Grit Size Sic F.C. Fe2O3 20#~90# ≥99.5. <0.20 ≤0.20 100#~180# ≥98.50 <0.25 ≤0.50 220#~240# ≥97.50 <0.25 ≤0.70 F230~F360 ≥97.50 <0.30 ≤0.70 F400~F600 ≥95.50 <0.30 ≤0.70 F800~F1200 ≥94.00 <0.50 ≤0.70 4.Size Available: F10-F220,F240-F1200 Other special size could be supplied as required.