TEST CASE: Brewery Corrosion - Brew Pot

TEST CASE - BREW POT CORROSION 

Corrosion Test - 316 Stainless Brew Pot

Situation:

316 Food Grade Stainless Steel 3 Gallon Brew Pot. Brew Pot was clean and free of grime. ZT Pro Cleaner concentrate was poured into stainless steel brew pot until the bottom was fully covered. Brew Pot left standing for two weeks.

Testing Goal:

Determine if ZT Pro Cleaner concentrate is corrosive to 316 Food Grade Stainless Steel.  This test is a precursor to a ‘closed loop’ cleaning system test on a pilot system in a local brewery.  Test is to determine ZT Pro’s ability to effectively clean food grade stainless steel while not harming the substrate.

Conditions:

  • Location: Western North Carolina
  • Siting: Indoors
  • Substrate: 316 Food Grade Stainless Steel, 3 Gallon Brew Pot
  • Ambient Air Temperature: 70 degrees F
  • Ambient Water Temperature: Not Applicable, rinse water not used in this test.
  • Sunlight Status: No sunlight, indoors.

       Application:

      • Product: ZT Pro Cleaner (Concentrate)
      • Method: Poured full concentrate upon surface.
      • Application psi: Negligible
      • Pre-Soak: Not Applicable
      • Agitation: Not Applicable
      • Rinse: Not Applicable
      • Surface condition at application: Clean
      • Surface condition after application: Clean with no damage

                    Results:

                    The 316 Food Grade Stainless Steel substrate was not harmed during the saturation test, nor did pitting emerge after the test, despite no water rinse, which would occur in the commercial brewing environment. 

                    Note:

                    ZT Pro has been determined to be safe for plastic, silicon, rubber and leather seals in a separate battery of immersion tests.  Test was performed by submersing seals and washers of various materials for two weeks in pure ZT Pro concentrate.

                     

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