Estiva Refratários low mass car kiln perimeter blocks can be used in tunnel and shuttle kilns, operating at temperatures up to 1350 ° C.

The concept of using air as a thermal insulation is widely used in the production of the cast and/or drained parts, bringing to the product excellent thermal performance. Designs of our perimeter blocks are customized for each customer and dimension of the car kilns, be the pieces made by extrusion or slip casting, without loss of their properties.