Morgan Advanced Materials Offers Superwool® Pyro-Bloc® Modules


The market leading Pyro-Bloc® modules have set the standard for quality and versatility in furnace and boiler lining systems since their market introduction over 30 years ago. The only monolithic ceramic fiber modules on the market, Pyro-Bloc® modules combine the insulation advantages of ceramic fiber with rapid furnace installation. Compared to standard folded modules, Pyro-Bloc® modules feature higher density, better tolerance compliance, and superior resistance to erosion from high velocity gas. Pyro-Bloc® modules are ideal for such applications as stack, flare and ductwork linings, as well as kiln car block and seals, burner blocks and peep sights.

Morgan’s Alkaline Earth Silicate (AES) fiber composition, marketed as Superwool®, is available in densities of 10 and 12 pounds per cubic foot (160 and 192 kilograms per cubic meter). The Superwool® Pyro-Bloc® modules are offered in two temperature classification grades: Superwool® Plus (2192°F) and Superwool® HT (2372°F).

Due to the low shot content of Superwool®, the thermal conductivity of Superwool® Pyro-Bloc® modules, is typically 10-15% lower than like-density Refractory Ceramic Fiber (RCF) modules. In addition, improved heat storage properties result in gas/energy savings and an improved work environment by lowering the skin temperature of furnaces and boilers.

Superwool® HT Pyro-Bloc® modules have high dimensional stability up to the classification temperature, critical for furnace and boiler applications where reduced linear shrinkage is important to longevity. 

Pyro-Bloc® Modules are installed with compression in both the vertical and horizontal direction, thus allowing designers to eliminate unsupported overhead battens and packing strips. In addition, the unique monolithic module structure of the modules decrease the number of through joints required by folded module systems; they can also be installed without a stainless steel shroud, adding to their ease of installation.

Superwool® Pyro-Bloc® modules monolithic edge grain surface is more resistant to high velocity gas erosion than folded systems. Along with erosion resistance, the module surfaces will more readily accept any required post treatments due to the grain of the fiber, which allows a deeper penetrating bond of the substrate. Several such treatments are available, some improving velocity resistance up to 35%.

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