Insulation that can withstand temperatures up to 1000°C is made from which material?

The correct choice is the material that can withstand extremely high temperatures, making it suitable for applications where heat resistance is critical. Calcium silicate block insulation is specifically designed for high-temperature applications, typically found in industrial settings such as on piping, boilers, and furnaces. This material can endure temperatures reaching up to 1000°C, providing excellent thermal insulation properties and mechanical strength under severe conditions.

Calcium silicate is composed primarily of silica, lime, and reinforcing fibers, which contribute to its structural integrity and thermal stability. Its ability to maintain effectiveness at high temperatures makes it a preferred choice in sectors requiring durable insulation solutions for high-heat environments.

In contrast, mineral wool blankets and high-temperature plastics generally have lower temperature limits, making them less suitable for use where heat resistance above 1000°C is required. Ceramic fiber, while capable of withstanding high temperatures, typically does not come in block form designed for structural insulation like calcium silicate, which can provide the additional benefits of lightweight construction and compressive strength. Therefore, when considering materials capable of enduring extreme thermal conditions, calcium silicate block insulation stands out as the most appropriate choice.