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Significance and Use
Insulating firebrick (IFB) are classified by their bulk density and reheat change (see Classification C 155
Since this test exposes the entire sample to an isothermal temperature condition, the user should be aware that most applications for IFB involve a thermal gradient which may cause the IFB’dimensions to change differentially.
1.1 This test method covers the determination of the permanent linear (and volume) change of insulating firebrick upon reheating under prescribed conditions.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
C24 Test Method for Pyrometric Cone Equivalent (PCE) of Fireclay and High Alumina Refractory Materials
C155 Classification of Insulating Firebrick
E230 Specification and Temperature-Electromotive Force (EMF) Tables for Standardized Thermocouples
E1256 Test Methods for Radiation Thermometers (Single Waveband Type)
ICS Number Code 81.080 (Refractories)