40 Laboratory Tests in Sanitaryware

Various tests are being carried out by the laboratory in a sanitary ware production process to ensure the Quality of the Final product. And testing starts from raw material discharge area up to Dispatch. This test are very important to keep the rejection rate low in production as most the problem can be found at the initial stage and eliminated immediately.  Below is a comprehensive list of tests performed in the sanitary ware lab to ensure product quality.

  1. Clay test (Plastic materials)
    1. Moisture content in clay
    2. Alkali demand test
    3. Residue test
    4. Shrinkage test
    5. Loss of ignition test(LOI)
    6. Water absorption
    7. Casting rate
    8. MOR
    9. Iron test
  2. Quartz /Feldspar test (Non-plastic materials)
    1. Residue test
    2. Iron test
    3. Moisture test
    4. Cone test
  3. Glaze test
    1. Fired glaze color test
    2. Residue test
    3. Iron test
  4. Slip test
    1. Density/Specific Gravity
    2. Flow
    3. Thixotropy
    4. Residue test
    5. Shrinkage test
    6. Warpage
    7. MOR
    8. Permeability test
  5. Glaze test
    1. Density/Specific Gravity Viscosity Drying time Flow test Color matching Residue test PSD test
  • Plaster of Paris test
    1. Residue test
    2. Initial and final setting time
    3. MOR
    4. Exothermic temperature measurement
    5. Absorption percentage
  • Fired ware test
    1. Water absorption test
    2. Crazing test
    3. Thermal shock resistance
    4. Citric/ Chemical resistance test
  • The aforementioned tests are standard tests in laboratories within the Sanitaryware Industry. SOP is created for every Test to ensure the test are carried by proper procedure.

    Did we cover all tests in Sanitary ware? leave your opinion in the comment section below.

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    Written by : Venkat Mani

    Venkat Mani is a Ceramic Engineering Graduate from India, working in Sanitaryware production line for 15 years. He shares Meaningful content related to sanitaryware professionals that others find useful.


    1. NAVIN PITHADIA July 28, 2019 at 2:09 pm - Reply

      Excellent input,Thanks.
      Can you help me by giving me address who test the wc for performance test, nabl lab only.we have to send the report to our customers
      Navin Pithadia

    2. UTIBE BENEDICT July 28, 2019 at 2:10 pm - Reply

      Thanks for listing out the various test carried out from Ram materials to dispatch. I’m working on all of the aforementioned processes. Please would you help me with a detailed description of each test. Thanks

    3. HIREN DALWADI July 28, 2019 at 2:10 pm - Reply

      sanitary ware me ye test diya hai vo konsi test me kitna nap hona chahiye ?

      glaze test me kitna ?
      pop me kitna ?
      glay me kitna ?
      glazed feldspar and quartz me ?

    4. PRAVIN DARVEKAR July 28, 2019 at 2:10 pm - Reply


    5. Zulfeqar Ali September 22, 2019 at 3:40 pm - Reply

      Can you please share details of the companies who manufatures for other trade marks it would be great help.

    6. Prof. Dharmesh Patel October 9, 2019 at 3:10 pm - Reply

      Please share general SOP of all test. its great help for our students. hope for your positive response

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