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Technology As the principal product of the Fiber Division, Sloss Industries' slag wool is composed of calcium magnesium aluminum silicate glass. The fiber is produced by melting a mixture of blast furnace slag and other minerals in a coke-fired cupola. The additional minerals, such as silica creek gravel or granite, are added to the raw material to control the melt chemistry and the viscosity of the melt. The molten slag is directed to a spinner where the fiber forming takes place. The fiber is coated with a minute amount of lubricant or surfactant to reduce dust and to protect the fiber during handling prior to packaging for shipment to the customer. Raw materials are analyzed by a wavelength dispersive x-ray to ensure that the desired chemical composition meets our manufacturing specifications. Routine physical testing verifies that all customer requirements are met. State-of-the-art pneumatic handling equipment reduces the incidental introduction of non-fibrous material. Continuous technological developments in fiberization and processing at our facility in Birmingham, Alabama has yielded a variety of derivative slag wool products ranging from residential insulation to highly advanced filler-reinforcements marketed to numerous industries under the name of PMF® Fiber.
Fiber Home     Products     Technology     Standards     History     Facilities     Brochures     MSDS     Contact Us
Sloss Industries Fiber Division: 4200 F.L. Shuttlesworth Drive • P.O. Box 5327 • Birmingham, Alabama 35207 Telephone: 205.808.7912 • Fax: 205.808.7926 • Please send website comments to helpdesk@sloss.com.