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CC-series Crush cell

ISO 13503-2 - API RP 19C


The crush cell is designed to test the crushing resistance and degradation characteristics of proppants used in hydraulic fracturing operations. API defines crush resistance as the weight percent of tested proppant that passes the smallest sieve from the original specified size distributions. Piston dimensions are 2.0x3.5in (50.8x89mm). The test is conducted as per standards API RP 19C and ISO 13503-2 under ambient temperature at different closure stresses up to 15,000 psi.



ISO 13503-5, API RP19C

Closure pressure

up to 20,000 psi

Cell inside diameter

2-inches (50.8 mm)

Cell outside diameter

3.5-inches (89 mm)

Piston height

3.5-inches (89 mm)

Wetted parts

Stainless steel


Compliant with the ISO 13503-5, API RP19C standard


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