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Significance and Use
3.1 Particle size distribution has a major affect upon most of the refractory properties. These test methods provide a means of measuring the distribution for the purpose of comparison to the desired distribution.
3.2 These test methods also cover determination of the water content of refractory materials in the wet condition and of air-dried samples received, so that the sieve analysis can be calculated on the dry basis.
3.3 These methods can produce data for specification acceptance, design purposes, manufacturing control, and research and development.
3.4 A reference set of standard matched or calibrated sieves shall be provided for use in checking the set of sieves used in the actual sieve analysis of samples. The sieves for use in sieve analysis may also be standard matched sieves or may be unmatched sieves conforming to the Specification Table in Specification , provided that such sieves will give results that differ by no more than 5 % from those obtained with the reference set when the two sets are compared in accordance with the section of Test Method on testing of sieves and samples splitters.
1.1 These test methods cover a wet and a dry method for sieve analysis of refractory materials.
1.1.1 Wet Sieve Analysis—Water promotes the slaking of clays and helps to separate fine particles, washing them from the larger grains. This method is recommended for use with materials that require water addition, and that slake in normal industrial use.
1.1.2 Dry Sieve Analysis—The dry method is not as effective as the wet method in determining the amount of material present in the smaller particle sizes. It is recommended (1) for clays, when the slaking action of water is undesirable, (2) when the material is in the form of coarsely ground grog and calcine, and (3) when the clay is to be used in such a way that the ultimate particle size is of secondary importance.
1.2 These test methods also cover determination of the water content of refractory materials in the wet condition and of air-dried samples as received, so that the sieve analysis can be calculated on the dry basis. Included is a method for obtaining the water content of other refractory materials, such as plastic refractories and wet mixes.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C429 Test Method for Sieve Analysis of Raw Materials for Glass Manufacture
E11 Specification for Woven Wire Test Sieve Cloth and Test Sieves
E105 Practice for Probability Sampling of Materials
E122 Practice for Calculating Sample Size to Estimate, With Specified Precision, the Average for a Characteristic of a Lot or Process
Other DocumentASTM STP 447 Manual on Test Sieving Methods Available from ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428.
ICS Number Code 81.080 (Refractories)
|Link to Active (This link will always route to the current Active version of the standard.)|
ASTM C92-95(2015), Standard Test Methods for Sieve Analysis and Water Content of Refractory Materials, ASTM International, West Conshohocken, PA, 2015, www.astm.orgBack to Top