What are the properties of refractory bricks?

Do you know the property of refractory bricks?The following I will introduce for you.

1, the chemical composition: the main ingredients determine the quality and characteristics of the refractory

2, the bulk density: weight per unit volume, density, indicating good density, strength may be high, but the thermal conductivity may be large

3, was porosity: as the manufacturer must strictly control the hole was

4, load softening temperature

5, thermal shock resistance

6, compressive strength

7, bending strength

8, linear rate of change

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