BS 1902-5.9 85th Edition, September 30, 1985
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
Published By:British Standards Institution (BSI)
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.