Standard Historical Last Updated: Aug 16, 2017 Track Document
ASTM C866-77(1997)e1

Standard Test Method for Filtration Rate of Ceramic Whiteware Clays

Standard Test Method for Filtration Rate of Ceramic Whiteware Clays C0866-77R97E01 ASTM|C0866-77R97E01|en-US Standard Test Method for Filtration Rate of Ceramic Whiteware Clays Standard new BOS Vol. 15.02 Committee C21
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Scope

1.1 This test method covers the determination of the rate at which a layer of clay-water paste is formed from a clay-water slip under pressure filtration. The filtration rate is directly related to such whiteware operations as filter pressing, slip casting, and drying of ware in which water permeability through a clay-water paste is the controlling mechanism.

1.2 A straight-line relationship exists between the time of filter pressing and the square of the thickness of the paste layer. The filtration rate is directly related to the filter press pressure and the void fraction of the paste layer, and is inversely related to the square of the clay surface area, the ratio of solids to liquid in the slip, and the viscosity of water at the testing temperature.

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 15.02
Developed by Subcommittee: C21.04
Pages: 2
DOI: 10.1520/C0866-77R97E01
ICS Code: 81.060.10