RTH-USA ILTEX-0.4 Ultralight High Thermal Insulation 9” x 4.5” x 2.5” Bricks – Box of 2

ILTEX-0.4 Ultralight Heat-Insulating Brick is a specialized refractory product engineered to deliver superior thermal insulation and energy efficiency across a wide variety of industrial and residential high-temperature applications. With its low thermal conductivity and service temperature resistance of up to 850°C (1562°F), this brick provides consistent thermal protection, helping reduce heat loss and improve overall energy performance in demanding environments. Lightweight yet durable, ILTEX-0.4 bricks are easy to transport, handle, and install, making them a practical choice for both professional contractors and DIY users. Their versatile design makes them suitable for use in boilers, kilns, gas furnaces, thermal and electric furnaces, heat exchangers, and metallurgical units where reliable thermal insulation is critical. Crafted from eco-friendly raw materials, ILTEX-0.4 combines environmental responsibility with outstanding performance, offering a long-lasting solution for high-heat applications. Each brick is designed to withstand repeated thermal cycling without degradation, ensuring structural integrity and extended service life. Whether you are upgrading industrial equipment or constructing heat-efficient systems at home, ILTEX-0.4 provides the ideal balance of insulation, strength, and sustainability. Dimensional Tolerances: Length: ± 5/32 in Width: ± 3/32 in Thickness: ± 1/16 in In accordance with ASTM C1261-22.