Physical Characteristics of Proppant

Stim-Lab performs testing under the API Standard 19C to evaluate proppant characteristics under specified testing conditions in the laboratory.

Tests include:

  • Sieve analysis - grain size distribution
  • Sphericity and roundness (Krumbein shape factor)
  • Acid Solubility-indicates the presence of "impurities" in the proppant
  • Turbidity (silt and fine particulate)
  • Crush resistance for 10% K value
  • Apparent density
  • Bulk density-the mass of material that fills a volume, includes both proppant and porosity
  • Loss of Ignition
  • Crush Resistance - stress specific

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