ASTM C373
Standard Test Methods for Determination of Water Absorption and Associated Properties by Vacuum Method for Pressed Ceramic Tiles and Glass Tiles and Boil Method for Extruded Ceramic Tiles and Non-tile Fired Ceramic Whiteware Products
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Language: English
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About This Item
ASTM C373 is the standard test method for determining water absorption and associated properties of pressed ceramic tiles, glass tiles, extruded ceramic tiles, and non-tile fired ceramic whiteware products. It is used to evaluate how these materials respond when exposed to water, which can be an important indicator of product behavior and suitability for use. For manufacturers, labs, and buyers, ASTM C373 supports consistent testing and more reliable comparison of ceramic and whiteware products.
What is ASTM C373?
ASTM C373 defines test methods for measuring water absorption and related properties using either a vacuum method or a boil method, depending on the product type. The standard is focused on pressed ceramic tiles, glass tiles, extruded ceramic tiles, and non-tile fired ceramic whiteware products. In practice, it provides a common technical basis for evaluating how much water a product absorbs and for comparing results across testing programs. ASTM C373 is therefore a useful reference for product characterization and quality control.
Where is ASTM C373 used?
This standard is commonly used in material testing and product evaluation for ceramic tile and fired whiteware items. It is relevant in laboratory workflows where water absorption tests are performed as part of routine inspection, development work, or acceptance checks. ASTM C373 may also be used by manufacturers, purchasers, and quality teams that need a consistent method for comparing pressed ceramic tiles, glass tiles, and extruded ceramic products. Its test procedures help support repeatable results across the supply chain.
Why is ASTM C373 important?
ASTM C373 matters because water absorption can affect product performance, selection, and compliance decisions. A clear test method helps reduce variation between laboratories and gives stakeholders a consistent way to assess ceramic and whiteware products. For procurement and quality assurance, that consistency supports better comparisons between materials and helps reduce risk when specifying products. ASTM C373 also assists in documentation and technical review by providing a recognized framework for test reporting.
- Water absorption testing
- Vacuum and boil methods
- Pressed, extruded, and glass tile products
- Fired ceramic whiteware evaluation
- Quality control and product comparison
- Publication Date: 2023-03-03
- Publisher: ASTM
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