Pre-coated ‘Shell’ sand

We develop and manufacture Pre-coated “Shell” sand for molds and cores (Cronning and Shell molding) according to your needs.

We can even manufacture pre-coated sand to match your specific needs or your specifications.

Description of our products

  • 10M - O40

    • Oklahoma sand for steel 225-430 Psi 65/85 AFS low Ni.
  • O - 30

    • Oklahoma sand for iron or bronze 300-390 Psi 65/80AFS.
  • O - 40

    • Oklahoma sand for iron and steel 450-530 Psi 65/80 AFS.
  • O - 50

    • Oklahoma sand for iron and steel 500-640 Psi 65/85 AFS.
  • O - 20

    • Oklahoma sand for aluminum with 115 - 200 Psi 65/80 AFS.
  • O - 20M

    • Oklahoma sand for aluminum with excellent breakout 200-270 Psi 65/80 AFS.
  • BO - 50

    • Oklahoma sand for iron and steel 425-570 Psi 50/60 AFS.
  • RB - 20

    • Oklahoma sand for iron or bronze 220-310 Psi 50/65 AFS.
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    Industria Auxiliar de Fundición, S.A. de C.V.