Graphite Powder


Graphite Powder

Specifications

Type Graphite Powder
Shape Powder
Use Metal Extraction, Water Purification
Purity 99.9%
Form Powder
Fixed Carbon From 50% to 95%
Volatile Matter From 6% to 1%
Ash Contain Balance

The use of graphite as a refractory material began before 1900 with the graphite crucible used to hold molten metal;    

 this is now a minor part of refractories. In the mid-1980s, the carbon-magnesite brick became important,    

and a bit later the alumina-graphite shape. As of 2017 the order of importance is: alumina-graphite shapes,    

carbon-magnesite brick, monolithics (gunning and ramming mixes), and then crucibles. 

 

Features: -

 

  • Crucibles began using very large flake graphite, and carbon-magnesite brick requiring not quite so large flake graphite;   
  • for these and others there is now much more flexibility in the size of flake required, and amorphous graphite is no   
  •  - longer restricted to low-end refractories. Alumina-graphite shapes are used as continuous casting ware,    
  • such as nozzles and troughs, to convey the molten steel from ladle to mold, and carbon magnesite bricks line steel   
  •  converters and electric-arc furnaces to withstand extreme temperatures.    
  •  Graphite blocks are also used in parts of blast furnace linings where the high thermal conductivity of the graphite is critical.   
  •  High-purity monolithics are often used as a continuous furnace lining instead of carbon-magnesite bricks. 

 


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