Greensand Casting

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Basics

Technique

  • Comprehensive diagram of all casting types - [1]. MIG Casting is not included. Binders can be clay, chemically setting binders, and polymerized oils (motor oil)
  • No-Bake (airset or precision sand) casting - use a binder with sand. [2]
  • Types of Binders - [3]

Off the Shelf Greensand Sources

  • Petrobond - good for novices - [4]
  • Ebay - 5 lb - $20 - [5]

Casting Companies

  • Commercial airset sand casting - [6]

Greensand Formulas

Theory

  • You Will Have:
    • Sand ( Grain Size , Sand Type , etc all have their effects)
    • Your Binder(s)
      • In terms of non-Sodium Silicate or No-Bake
    • Small Amounts of Additives for more Specialized Greensand Formulations
      • Reducing Agents
      • Cushioning Material / Insulating Agents
  • One here, includes oil and bentonite - [7]

Misc DIY/OS Recipes

  • From Backyardmetalcasting - [8]
  • Sand + bentonite, mulled - [9]

K-Bond

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External Links