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frac sand


Frac Sand and Proppant Testing

Assured Testing Services has established industry-recognized expertise in testing sand, ceramic, and resin-coated sand/ceramic for use as proppant for hydraulic fracturing. Customers span proppant manufacturers, importers, brokers, services companies, and wellsite engineers. The testing laboratory's capabilities are featured on our supplemental website:

Physical properties & conductivity testing can be performed in accordance with

the following standard specifications: 

  • ISO-13503-2 (sphericity and roundness, acid solubility, crush, etc.)

  • ISO-13503-5 (conductivity)

  • API RP19C

  • API RP19D

  • API RP56

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