Fireclay Bricks or fire bricks are the most widely used refractory bricks because of their great features: low thermal conductivity; good thermal insulation performance; high resistance to thermal shock, abrasion, chemical attack to provide long service life; easy operation and installation; broad usage and applications; and low price, etc. At KT Refractories Refractories we offer a comprehensive range of Fireclay brick/fire bricks consisting of 30-55% alumina, all of which exhibit excellent strength. 3 bricks per order. 10 lbs per brick. 
For full product details, please visit: http://ktrefractories.com/Fireclay-Bricks.php