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Serving industry since 1912, The Nock Refractories Co. is a third generation, family owned and operated business, providing more than 100 years of collective experience as a full-line warehouse distributor of refractories and high-temperature insulation. We have combined product innovation with technical service to become recognized throughout industry as "problem solvers" for many industrial applications. Some of our "in-stock" products include: Fire Brick/Insulating Fire Brick Conventional & Low-Moisture Castables Mortars and Coatings Plastics & Ramming Mixes Ceramic Fiber Products Crucibles & Base Blocks Metal & Refractory Anchors We now offer Special Cast Shapes and Installation Services