Rapid Chloride Penetration Test

Model No. CCTE0035

The simple Rapid Chloride Permeability Test (RCPT) is performed on concrete specimens taken from cores or test cylinders. Electrical current flow is measured across a 4x2in (102x51mm) dia.xH specimen positioned in a test cell with fluid reservoirs at each end. The negative end is immersed in a 3% sodium chloride solution, and the positive end in a 0.3N sodium hydroxide solution. The specimen is subjected to a 60V DC potential across the ends for six hours. The more permeable the concrete, the higher the total charge or Coulombs passed across the specimen will be.

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