A. P. Green Refractory Pocket Catalog. No asbestos references. Descriptions of: A. P. Green Insulating Cement, SK-7 Insulating Castables, Kast-O-Lite, Greencast, and others.
Books and catalogs about asbestos use in refractories. Some refractories were used for insulating furnaces. Other asbestos furnace related references too.
Owens-Corning Fiberglas Catalog on Industrial Insulations (1960). Kaylo pipe insulation, Kaylo, and Kaylo 20 all contained asbestos fiber. Kaylo 20 can be used for refractory wall backing on furnaces and boilers. Also mentioned: Asbestos yarn, asbestos paper and cement for duct insulation, etc.
Modern Refractory Practice (1950). Harbison-Walker Refractories. Asbestos can be used for filler material. Serpentine was a component of magnesia refractories. Chrysotile is described as a type of Serpentine.
Steelplant Refractories (1963). Diatomite-asbestos furnace insulation. Asbestos monolithic lining for the Electric Steel Plant. Asbestos insulating block for blast furnace stoves and open-hearth furnace bottoms.
Boiler Technician 1 & C (1972) This 1970s Official U.S. Navy Training Manual shows Asbestos containing insulating block used for boiler refractories. Also mentions these boilers: Babcock & Wilcox, Foster Wheeler, and Combustion Engineering