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BS 1902-5.9 85th Edition, September 30, 1985
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Methods for Testing Refractory Materials Part 5: Refractory and Thermal Properties Section 5.9: Determination of Permanent Change in Dimensions on Heating of Shaped Insulating Products (Method 1902-509)
Includes all amendments and changes through Reaffirmation Notice , 1995
Page Count:10
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A test method for measuring the permanent change in dimensions of refractory insulating bricks. Test pieces are measured, heated in the furnace for a specified temperature and time, and remeasured. The percentage permanent change in dimension is then calculated.