The performance of refractories

The physical function of refractories includes structural function, thermal function, mechanical function, service function and operation function. 

The structure and function of refractories include porosity, volume density, water absorption, permeability of the heart, distribution of pore diameter and so on. 

The thermal function of refractories includes thermal conductivity, thermal expansion coefficient, specific heat, heat capacity, thermal conductivity coefficient, thermal emissivity, etc. 

The mechanical functions of refractories include compressive strength, tensile strength, flexural strength, torsional strength, shear strength, impact strength, abrasion resistance, creep, bond strength, elastic modulus, etc. 

The functions of refractories include refractoriness, softening temperature under load, change of reburning line, thermal shock resistance, slag resistance, acid resistance, alkali resistance, hydration resistance, CO corrosion resistance, electrical conductivity, oxidation resistance, etc.