ASTM C133 : 97(2003)

Standard Test Methods for Cold Crushing Strength and Modulus of Rupture of Refractories

Standard Details

1.1 These test methods cover the determination of the cold crushing strength and the modulus of rupture (MOR) of dried or fired refractory shapes of all types.

1.2 The test methods appear in the following sections:

Test Method	Sections

Cold Crushing Strength	4 to 9
Modulus of Rupture	10 to 15

1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.

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.