This part of ISO 13503 provides standard testing procedures for evaluating proppants used in hydraulic
fracturing and gravel-packing operations.
NOTE “Proppants” mentioned henceforth in this part of ISO 13503 refer to sand, ceramic media, resin-coated
proppants, gravel-packing media and other materials used for hydraulic fracturing and gravel-packing operations.
The objective of this part of ISO 13503 is to provide a consistent methodology for testing performed on
hydraulic fracturing and/or gravel-packing proppants.