Low Bulk Density Lightweight Fire Clay Insulating Brick

Low Bulk Density Lightweight Fire Clay Insulating Brick – Closed Micro-Pore Porous Fire Clay Insulating Refractory Block, Low Mass Per Unit Volume Back Lining Thermal Barrier Brick For Kiln Shell Rear Gradient Heat Retention Layer To Cut Radiant Heat Loss 1. Product Core Profile This low bulk density lightweight fire clay insulating brick belongs to porous thermal barrier shaped refractory, forming an independent back lining product category separated from dense load-bearing Refractory Brick, solid heavy clay Firebrick, high-strength anti-abrasion High-Temperature Brick, front-face anti-scouring Kiln Brick, dense decorative Ceramic Brick and other solid dense refractory blocks. Raw material adopts fire clay matched with pore-forming combustion additives, after mold pressing and controlled high-temperature sintering to form massive uniform closed micro-pore structure inside the brick body, each isolated tiny air cavity serves as static heat isolation barrier to restrain heat conductio…