Refractory
The term refractory applies to materials designed to withstand extreme conditions of temperature, pressure and atmosphere without significantly altering their physical or chemical integrity. In the field of ceramics, these materials are essential for forming the kiln's internal structures, such as shelves, supports, walls and ceilings, as well as auxiliary tools (muffles, plates and posts). Their effectiveness lies in their ability to maintain high mechanical strength, a low coefficient of thermal expansion and exceptional chemical stability, even after multiple firing cycles at temperatures exceeding 1300°C. In this way, they ensure equipment longevity and consistent quality in the ceramic process.
Selecting the right refractory has been a historical challenge for the metallurgical, glass and ceramics industries. As technology advanced, refractories with increasingly specialized properties were developed, contributing to the improvement of kilns and complex industrial processes.Interesting Fact
In the steel industry, refractories are indispensable for containing molten metal at temperatures higher than those of ceramics. This shared technology inspired solutions in the ceramic field, improving the quality and safety of kilns.Helpful Tip
Regularly inspect your kiln's refractory parts. Small cracks or wear on these parts can lead to thermal inefficiencies, increased energy consumption or safety hazards. Timely replacement and preventive maintenance will extend the life of your equipment and ensure more consistent results.