Properties of Fired Wares in Sanitaryware Manufacturing

Properties of Fired Wares in Sanitaryware Manufacturing

Sample Collection

Fired sanitaryware are broken into small samples for collecting samples for Water Absorption (WA) and Crazing testing. Samples need to be taken from different areas to ensure comprehensive evaluation, including:

• Single-side glazed area

• Double-side glazed area

• Fully exposed area

• Sump area

• Rim area

Crazing Test Procedure

The crazing test involves placing a sample in a pressure vessel for no less than 10 hours, with saturated steam maintained at a pressure between 330 kPa and 360 kPa. After cooling to room temperature, the sample is immersed in a dye solution for 7 hours to check for crazing.