Determination of Refractoriness Under Load - Test Method - BS EN ISO 1893:2008


Methods of test for dense shaped refractory products. Determination of refractoriness-under-load.


Refractoriness under load is a measure of the behaviour of a refractory material subjected to the combined effects of load, rising temperature and time.


A cylindrical test piece is subjected to a specified contant compressive load and heated at a specified rate of temperature increase until a prescribed deformation or subsidence occurs. The deformation of the test piece is recorded as the temperature increases, and the temperatures corresponding to specified proportional degrees of deformation are determined.


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