{"id":3105,"date":"2013-08-12T15:19:52","date_gmt":"2013-08-12T15:19:52","guid":{"rendered":"http:\/\/smelko.com\/site\/?page_id=3105"},"modified":"2013-08-12T20:09:33","modified_gmt":"2013-08-12T20:09:33","slug":"refractory-ropes-braids-and-wicking","status":"publish","type":"page","link":"http:\/\/smelko.com\/?page_id=3105","title":{"rendered":"Refractory Ropes, Braids and Wicking"},"content":{"rendered":"
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Introduction
\n<\/strong>Fiberfrax\u00ae ropes, braids and wicking are a family of dense, resilient, ceramic fiber materials, widely used for a broad variety of high-temperature gasketing, packing and sealing applications. They also serve as excellent replacements for asbestos, and reduce the frequency of repairs and mainte- nance in numerous applications. Many combinations of density and construction are available.<\/p>\n

Fiberfrax ropes, braids and wicking exhibit excellent chemical stability, resisting attack from most corrosive agents. Exceptions are hydrofluoric and phosphoric acids and concentrated alkalies. They also resist oxidation and reduction. If wet by water or steam, thermal and physical properties are completely restored upon drying. No water of hydration is present.<\/p>\n

Fiberfrax<\/b>\u00ae <\/b>Rope, High Density Rope, Round and Square Braid <\/b>Fiberfrax textile products are durable, high temperature, ceramic fiber packing materials that are well-suited for industrial applications. They are noted for their superior insulating and sealing ability to 1260\u00b0C (2300\u00b0F).<\/p>\n

These materials contain approximately 20% organic carrier fiber to facilitate the carding process. The carrier fiber burns out at a low temperature with no effect on the ceramic fiber properties.<\/p>\n

Fiberfrax ropes are twisted multi-ply ceramic fiber packing manufactured from Fiberfrax wicking. Standard minimum 3-ply rope is a low density, highly compressive product form. HD rope is up to 9-ply and provides increased compression resistance and strength and is approximately 40-65% denser than regular Fiberfrax rope.<\/p>\n

Fiberfrax braids are used where high density and resistance to compression and mechanical abuse are required, such as in packing applications. Round and square versions are available.<\/p>\n

Typical Product Properties
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Typical Applications
\n<\/strong>\u2022 Furnace door insulation and seal
\n\u2022 Expansion joint packing in boilers and furnaces
\n\u2022 Skid rail insulation
\n\u2022 Coke oven door jam seal
\n\u2022 Hot top seal
\n\u2022 Glass furnace tuckstone seal
\n\u2022 Gasket for vacuum degassing of steel during pouring
\n\u2022 High-temperature gasketing and packing
\n\u2022 Woodburning stove door seal
\n\u2022 Tadpole gasket bulb material
\n\u2022 Continuous casting starter block plug<\/p>\n

Fiberfrax\u00ae DurapackTM Rope Packing
\n<\/strong>DurapackTM rope packing is a dense, resilient twisted cord style rope designed for packing applications that have irregu- lar surfaces or openings. This product is pliable and exhibits exceptional sealing capabilities. An inorganic surface coating provides good resistance to mechanical abuse up to 538\u00b0C (1000\u00b0F), enabling Durapack rope to be effective in high- temperature seals, packings and gaskets.<\/p>\n

Durapack rope packing contains a small amount of organic carrier which will burn out at a low temperature with less than 3% shrinkage. It possesses the same thermal properties and chem- ical stability common to all Fiberfrax forms, resisting attack from most corrosive agents.<\/p>\n

Typical Applications
\n<\/strong>\u2022 High temperature door seals
\n\u2022 Mold seals
\n\u2022 General maintenance in aluminum plants, foundries,refineries and power plants
\n\u2022 Expansion joint packing<\/p>\n

Fiberfrax\u00ae Wicking
\n<\/strong>Fiberfrax wicking is a high temperature twisted roving made from Fiberfrax ceramic fibers and organic carrier fibers. It possesses the same thermal and chemical properties common to all Fiberfrax forms. It is typically used in\u00a0applications that do not demand high tensile strength or compression resistance.<\/p>\n

Typical Applications
\n<\/strong>\u2022 Expansion joint packing
\n\u2022 Gasketing on heater unit of combustion chambers
\n\u2022 Wick for oil burning apparatus
\n\u2022 Radiant tube packing for heat treat furnaces
\n\u2022 Packing between reinforcing bar and sleeve to prevent\u00a0molten leakage<\/p>\n

Fiberfrax\u00ae Woven Textiles
\n<\/strong>In addition to ropes, braids and wicking, the Fiberfrax textile product family also contains a variety of woven product forms. Woven textiles are composed of three basic product lines: Fiberfrax cloth, tape, and sleeving, Fibersil cloth and Flexweave\uf8ea 1000 cloth and tape.<\/p>\n

The woven textile product family is a unique group of high- temperature fabrics useable in a wide variety of industrial applications. They offer superior insulating capability and exhibit excellent resistance to thermal shock, corrosive attack and breakdown due to mechanical vibration and stress.<\/p>\n

For additional details on the available woven textile product forms, typical properties and applications for which they are appropriate, refer to Fiberfrax Woven Textiles, Product Information Sheet, Form C-1425.
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