ASTM C20
Standard Test Methods for Apparent Porosity, Water Absorption, Apparent Specific Gravity, and Bulk Density of Burned Refractory Brick and Shapes by Boiling Water
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Language: English
License Type: Single User
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About This Item
ASTM C20 is the standard test method for measuring apparent porosity, water absorption, apparent specific gravity, and bulk density of burned refractory brick and shapes by boiling water. It gives a practical way to evaluate key physical properties that help characterize refractory products used in demanding thermal applications. For buyers, specifiers, and quality teams, this standard supports more consistent product comparison, acceptance checks, and technical verification.
Overview of ASTM C20
This ASTM standard provides test methods focused on the physical characterization of burned refractory brick and shapes. By using boiling water as the basis for measurement, the standard helps determine apparent porosity, water absorption, apparent specific gravity, and bulk density in a consistent manner. These properties are commonly used to understand how refractory materials may behave in service and to support comparative testing, manufacturing control, and procurement decisions. ASTM C20 is a useful technical reference when repeatable test results are needed.
Common use cases of ASTM C20
ASTM C20 is commonly used in laboratories, manufacturing quality control, and product evaluation for burned refractory brick and shapes. It is relevant when testing materials intended for high-temperature service where physical structure matters. The standard may also support incoming inspection, supplier qualification, and batch-to-batch comparison. In practice, it helps users assess whether refractory products meet expected property targets before they are put into demanding applications.
Benefits of using ASTM C20
Using ASTM C20 helps create a consistent basis for measuring important refractory properties across different products and production lots. That consistency supports clearer compliance checks, better procurement decisions, and more reliable quality control. It can also reduce uncertainty when comparing materials from different sources or evaluating whether a product meets technical requirements. For organizations working with refractory brick and shapes, ASTM C20 offers a straightforward way to support repeatable testing and informed specification review.
- Boiling-water test method
- Measures porosity and water absorption
- Determines apparent specific gravity
- Supports bulk density evaluation
- Applies to burned refractory brick and shapes
- Publication Date: 2022-03-15
- Publisher: ASTM
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