ASTM C20用沸水法测定煅烧耐火砖和异型砖的表观多孔性,吸水性,表观比重及松密度的标准试验方法
日期:2012-02-10 11:10
for a given test specimen. Certain of the properties, that is, apparent specific gravity and bulk density, are functions of other factors such as product composition, compositional variability within the same product, impervious porosity, and total porosity. Generalizations on or comparisons of property values should only be judiciously made between like products tested by these test methods or with full recognition of potentially inherent differences between the products being compared or the
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