Abstract: Provided are inorganic fibers containing calcium and alumina as the major fiber components. According to certain embodiments, the inorganic fibers containing calcia and alumina are provided with a coating of a phosphorous containing compound on at least a portion of the fiber surfaces. Also provided are methods of preparing the coated and non-coated inorganic fibers and of thermally insulating articles using thermal insulation comprising the inorganic fibers.

Abstract: A fluid jet cutting process for fibrous materials, such as inorganic fibrous material articles is provided. A fluid composition for use in the fluid jet cutting process is also provided. The cutting fluid composition contains a carrier fluid and coating composition for the cut surfaces of the fibrous material. An apparatus for carrying out the fluid jet cutting process of fibrous materials is also provided.

Abstract: A device (10) for treatment of exhaust gases includes a housing (12); a fragile structure (18) resiliently mounted within the housing (12); and a non-intumescent mounting mat (20) disposed in a gap between the housing (12) and the fragile structure (18). The mounting mat (20) comprises melt-formed, leached glass fibers high in silica content and exerts a minimum holding pressure for holding the fragile structure (18) within the housing (12) of one of (i) at least 10 kPa after 1000 cycles of testing at a hot face temperature of 900° C., a gap bulk density of between 0.3 and 0.5 g/cm3, and a percent gap expansion of 5 percent, and (ii) at least 50 kPa after 1000 cycles of testing at a hot face temperature of 300° C., a gap bulk density of between 0.3 and 0.5 g/cm3, and a percent gap expansion of 2 percent.

Abstract: A device for treatment of exhaust gases includes a housing, a fragile structure resiliently mounted within the housing, and a non-intumescent mounting mat disposed in a gap between the housing and the fragile structure. The mounting mat includes a plurality of inorganic fibers that have undergone a surface treatment to increase the holding force performance of the mounting mat. Also disclosed are methods of making a mounting mat for an exhaust gas treatment device and for making an exhaust gas treatment device incorporating the mounting mat.

Abstract: A low shrinkage, high temperature resistant vitreous inorganic fiber having a use temperature up to at least 1330° C., which maintains mechanical integrity after exposure to the use temperature and which is non-durable in physiological fluids, is prepared by the method of forming a melt with ingredients including greater than 71.25 weight percent silica, 0 to about 20 weight percent magnesia, and about 5 to about 28.55 weight percent of calcia, 0 to about 5 weight percent zirconia, and optionally a viscosity modifier in an amount effective to render the product fiberizable; and producing fibers from the melt.

Abstract: A non-intumescent mat for providing a support structure for low temperature fragile structures in exhaust gas treatment devices, such as catalytic converters, diesel particulate traps, and like, comprising amorphous inorganic fibers. The fibers have Young's Modulus of less than about 20×106 psi and a geometric mean diameter less than about 5 ?m. The mat is adapted to provide a holding force of at least 15 psi throughout an average mat temperature range from ambient temperature up to at least about 350° C. The amorphous inorganic fibers are preferably melt formed fibers comprising the fiberization product of a melt comprising alumina/silica.

Abstract: A temperature resistant vitreous inorganic fiber having a use temperature of up to at least 1000° C., or greater, having after service mechanical integrity, is non-durable (soluble) in physiological fluids, and is produced from a melt containing silica, magnesia, a lanthanide series element-containing compound, and optionally zirconia.

Abstract: A device for treatment of exhaust gases includes a housing; a fragile structure resiliently mounted within the housing; and a non-intumescent mounting mat disposed in a gap between the housing and the fragile structure. The mounting mat comprises melt-formed, leached glass fibers high in silica content and exerts a minimum holding pressure for holding the fragile structure within the housing of one of (i) at least 10 kPa after 1000 cycles of testing at a hot face temperature of 900° C., a gap bulk density of between 0.3 and 0.5 g/cm3, and a percent gap expansion of 5 percent, and (ii) at least 50 kPa after 1000 cycles of testing at a hot face temperature of 300° C., a gap bulk density of between 0.3 and 0.5 g/cm3, and a percent gap expansion of 2 percent.

Abstract: A low shrinkage, high temperature resistant vitreous inorganic fiber having a use temperature up to at least 1330° C., which maintains mechanical integrity after exposure to the use temperature and which is non-durable in physiological fluids, is prepared by the method of forming a melt with ingredients including greater than 71.25 weight percent silica, 0 to about 20 weight percent magnesia, and about 5 to about 28.55 weight percent of calcia, 0 to about 5 weight percent zirconia, and optionally a viscosity modifier in an amount effective to render the product fiberizable; and producing fibers from the melt.

Abstract: The present invention provides molded fireplace articles comprising a plurality of non-white inorganic fibers that are substantially uniformly coated with a colored metal oxide. The present invention further provides a method of manufacturing molded fireplace articles comprising: providing a plurality of non-white inorganic fibers; mixing the fibers with a binder and a liquid to form a slurry; pouring the slurry into a mold having a desired shape; and forming the slurry into a shaped article. A method of preparing non-white inorganic fibers is also provided, the method comprising the steps of: providing a colorant solution formed by dispersing or dissolving a metal compound into a carrier liquid, providing an inorganic fiber, applying the colorant solution to the inorganic fiber to form a colorant coated fiber, and heating the colorant coated fiber to a temperature sufficient to decompose the metal compound to a non-white metal oxide that is substantially uniformly coated on said fibers.

Abstract: A non-intumescent mat for providing a support structure for low temperature fragile structures in exhaust gas treatment devices, such as catalytic converters, diesel particulate traps, and like, comprising amorphous inorganic fibers. The fibers have Young's Modulus of less than about 20×106 psi and a geometric mean diameter less than about 5 &mgr;m. The mat is adapted to provide a holding force of at least 15 psi throughout an average mat temperature range from ambient temperature up to at least about 350° C. The amorphous inorganic fibers are preferably melt formed fibers comprising the fiberization product of a melt comprising alumina/silica.

Abstract: A fire resistant barrier and system for dynamic building expansion joints comprising a plurality of layers of fire resistant material comprising: a first mechanical support layer having a first and second major surface; a second layer having a first and second major surface, wherein the second layer provides protection and mechanical support to the fire barrier; and at least one layer of intumescent sheet material having a first and second major surface; said at least one layer of intumescent material is disposed between said first mechanical support layer and said second layer; and wherein said first mechanical support layer, said second layer and said at least one layer of intumescent material are locally bonded together over only a portion of their width substantially continuously along the length of the layers of said fire resistant material.

Abstract: A fire resistant gasket for architectural joints comprises an intumescent material mat having a first major surface and a second major surface, wherein at least one of said first and second major surfaces has coated thereon an adhesive. A fire barrier is provided comprising: at least one fire resistant intumescent gasket material having a first major surface and a second major surface, wherein at least one of said first and second major surfaces has coated thereon an adhesive, and at least one fire resistant material barrier layer bonded to a portion of one of said first and second major surface, preferably adhered to a portion of said adhesive coated gasket surface.

Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.

Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.

Abstract: A paper composite includes activated carbon fibers and inorganic fibers bound together by an organic latex binder. Such a ceramic paper is useful in a variety of applications and is particularly useful as a filter media in the filter unit of an inflator in an automotive airbag. The filter media is particularly suitable for use with non-azide generants within an airbag inflator.

Abstract: A refractory glass fiber having a use temperature of greater than 1000.degree. C., up to at least 1260.degree. C., having an after service mechanical integrity comparable to conventional refractory ceramic fiber and which is non-durable in physiological fluids, consisting essentially of the product of silica, magnesia and optionally zirconia, is produced from a melt, optionally containing a viscosity modifier.

Abstract: A fire protection material is provided for protecting electrical cables and components. The material comprises an endothermic-reactive insulating fibrous material including an inorganic endothermic filler which undergoes multiple endothermic reactions between the range 100.degree. C. and 750.degree. C.; inorganic fiber material; and an organic polymer binder. The weight ratio of endothermic filler to inorganic fiber is preferably in the range of 0.25 to 3.0. The fire protection material is in the form of semi-rigid or rigid board or may be moulded into sections.

Abstract: A device for the treatment of exhaust gases such as a catalytic converter, a diesel particulate trap and the like, includes a housing having an inlet at one end and an outlet at its opposite end through which exhaust gases flow; a structure resiliently mounted within the housing, the structure having an outer surface and an inlet end surface at one end in communication with the inlet of the housing and an outlet end surface at an opposite end in communication with the outlet of the housing; and mounting element, disposed between the structure and the housing, for selectively exerting substantially stable mounting pressure against the housing and the structure over a temperature range of from about 20.degree. C. to at least about 1200.degree. C., wherein the mounting element is a flexible mounting mat including an integral, substantially non-expanding sheet comprising ceramic fibers, wherein the fibers are substantially shot free. The mat has flexible, structural integrity.

Abstract: Composition and process for the preparation of high temperature stable continuous glass fibers with an upper temperature use limit of 2300.degree. F. are provided. The compositional formulation, in mole percent, is 62-85% SiO.sub.2, 10-20% Al.sub.2 O.sub.3, 5-15% MgO, 0.5-5% TiO.sub.x, and 0-5% ZrO.sub.2. The continuous fibers are prepared by an economical direct melt method, and demonstrate high tensile strength, high Young's modulus, and low linear thermal shrinkage characteristics. Friction pads containing these high temperature stable continuous glass fibers are also provided.