Insulfrax^® Blok

Insulfrax^® Blok products are manufactured using a combination of mineral wool and Insulfrax alkaline earth silicate wool blended with specially selected inorganic and organic binders to provide thick, rigid boards with exceptional characteristics. Insulfrax Blok is designed specifically for use as back-up insulation in various high-temperature industry applications. Insulfrax Blok is available in two grades; Blok 80 is suitable for use in applications with operating temperatures up to 800 °C and Blok 110 for applications with operating temperatures up to 1100 °C.