Protect your bench work area! Use this block to tackle heavier soldering projects that require more surface coverage under high-heat conditions. Silquar is the primary material in our non-asbestos boards. Silquar retains heat during soldering. Equipped with padded feet for extra stability and grip, this ceramic surface is a heat-reflective, non-combustible ceramic material and withstands temperatures up to 2,000°F (1,093°C). Cleans easily with water.