Opta Minerals Inc.

- Silica Sand

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Mined and manufactured to the high standards of U.S. Silica's ISO 9001 Certified Quality System Air sized and blended to meet the most demanding foundry specification. In foundry application, the medium grades: #49, #56, #63 offer high permeability due to excellent fines control and are ideal for most core and molding applications in iron, steel and non-ferrous foundries. They also offer high strength in all binder systems. The finer grades: F 71 consist of rounded to sub-angular grains, which provide high strength and excellent permeability. They achieve superior casting finishes in all binder systems and metals.

  • ISO 9001 Certified
  • High strength, superior casting finishes in all binder systems and metals

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