Specialty Graphite

Premium Specialty Graphite for Industrial and OEM Applications

High-Performance Graphite Rods, Blocks, and Rounds — Delivered with Precision

MBI Graphite supplies premium-grade synthetic graphite for industries that demand high thermal resistance, dimensional stability, and reliable performance in harsh environments. Our fine-grain graphite feedstock is engineered to meet the needs of machining operations, heat treatment, foundries, and specialty manufacturers.

With fast delivery, a range of grades and sizes, and a responsive support team, we are your one-stop source for custom and stock graphite solutions.

Why Choose MBI for Specialty Graphite?

We supply a complete line of carbon and graphite materials for aluminum smelters, including:

  • Cathode Blocks – Vibrated and extruded options available in anthracite, graphitic, and fully graphitized forms
  • Graphite Sidewall Blocks
  • Carbon Sidewall Blocks – Anthracite, precision-milled on all six sides

Synthetic graphite offers:

  • Resistance to thermal shock and chemical corrosion
  • Exceptional dimensional stability
  • Low thermal expansion

Used in:

  • Molten metal reinforcement and thermal shielding
  • Graphite machining
  • OEM production
  • Heat treating
  • Glass, chemical, and aerospace industries

We’ve supported the Iron, Steel, and Aluminum sectors for 30+ years with reliable graphite supply — competitively priced and backed by expert service.

Our Specialty Graphite Grades

We offer a range of proprietary and standard graphite grades to support varying thermal, mechanical, and machining requirements.

  • Grade MBG
  • Grade MBJ
  • Pre-formed and ready to machine
  • Ideal for degassing tubes, pump shafts, impellers
  • Diameters from 3″ to 6″
  • High-grade, fine-grain stock with excellent strength and finish
  • Medium-grain blocks in standard and extra-large sizes
  • ISO-molded options for high precision
  • Suitable for machining, casting, and high-temp components
  • Supplied up to 60″ in diameter
  • Ideal for specialized machining and OEM requirements
  • Engineered to meet customer-specific grade and dimension needs

Need Help Choosing the Right Material?

We’ll help you identify the best graphite type and grade for your project — whether you’re casting, machining, insulating, or reinforcing.

Need an MSDS or certification for this product?