Bulk Density Of Magnesia Brick

Bulk density of magnesia brick is a useful property which is an indicator of weight for unit volume brick. It can reflect the function for structure of brick and influence the physical and chemical features such as the resistance to slag, thermal shock resistance, cold crushing strength and corrosion resistance to glass liquid.

First of all, we need to know that bulk density is weight/ volume, weight is relatively easy got as the brick can be weighed in air. As to volume, there are kinds of shapes of magnesia brick which is not very evenly shaped and some of them has quite a rough surface. So, how can we measure the volume of magnesia brick? There is a method to measure the volume which is called water displacement method. The specific steps of this method is as below,
1. Load a certain amount of liquid into the appropriate vessel and record the volume(V1).
2. Put one magnesia brick into the liquid and submerge it totally, accordingly the volume will increased, and record this volume (V2).
3. The volume of the submerged magnesia brick is the same as the increased volume of liquid displaced which equals to V2 minus V1
After get the volume of magnesia brick，the density now can be calculated

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