The invention relates to a method for manufacturing insulation products based on mineral wool bound by an organic binder, comprising the following successive steps: (a) providing mineral wool at room temperature, (b) applying, to the mineral wool, an aqueous thermosetting binder composition, (c) drying the mineral wool impregnated with the aqueous thermosetting binder composition to obtain thermosetting mineral wool, (d) shaping the thermosetting mineral wool, and (e) heating the shaped thermosetting mineral wool at a temperature for long enough to enable the constituents of the binder to be condensed and an insoluble binder to be formed.

The invention relates to a method for manufacturing insulation products based on mineral wool bound by an organic binder, comprising the following successive steps: (a) providing mineral wool at room temperature, (b) applying, to the mineral wool, an aqueous thermosetting binder composition, (c) drying the mineral wool impregnated with the aqueous thermosetting binder composition to obtain thermosetting mineral wool, (d) shaping the thermosetting mineral wool, and (e) heating the shaped thermosetting mineral wool at a temperature for long enough to enable the constituents of the binder to be condensed and an insoluble binder to be formed.

This invention, in embodiments, relates to a roll comprising a fiberglass mat. The fiberglass mat includes a plurality of fibers, with the plurality of fibers including (i) a first set of fibers extending in a machine direction of the roll, and (ii) a second set of fibers extending in a transverse direction of the roll. The fiberglass mat has a basis weight of 1.6 lbs/csf to 2.2 lbs/csf, and the fiberglass mat has a tensile strength in the machine direction of the roll and a tensile strength in the transverse direction of the roll, such that a ratio of the tensile strength in the machine direction of the roll relative to the tensile strength in the transverse direction of the roll is from 1:1 to 3:1. The fiberglass mat is coated and a roofing material formed with the coated fiberglass mat has a mean failure energy according to ASTM D5420 of 2 in-lbs to 4.5 in-lbs.

A rubber-reinforcing cord (12) of the present invention includes at least one strand. The strand includes at least one filament bundle and a coating provided to cover at least a portion of a surface of the filament bundle. The coating includes a rubber component including at least one selected from the group consisting of carboxyl-modified nitrile rubber and carboxyl-modified hydrogenated nitrile rubber, an isocyanate compound, a bismaleimide compound, carbon black, and a rubber-modified epoxy resin. In the coating, the content of the isocyanate compound is 10 to 50 parts by mass, the content of the bismaleimide compound is 5 to 25 parts by mass, the content of the carbon black is 2 to 18 parts by mass, and the content of the rubber-modified epoxy resin is 5 to 30 parts by mass, with respect to 100 parts by mass of the rubber component.

A coating device includes: a fiber passage through which a glass fiber passes downward in a vertical direction; a first flow path which is a flow path allowing a primary resin to flow toward the fiber passage and includes a first branch path horizontally dividing the primary resin moving in a horizontal direction; a first temperature controller which is disposed along the first flow path and controls a temperature of the first flow path; a second flow path which is a flow path allowing a secondary resin to flow toward the fiber passage, includes a second branch path horizontally dividing the secondary resin moving in the horizontal direction, and is located below the first flow path; and a second temperature controller which is disposed along the second flow path and controls a temperature of the second flow path.

To provide a glass composition for glass fiber having a low dielectric loss tangent, suppressing the occurrence of phase separation, having a reduced viscosity at high temperatures, and reducing the occurrence of striae. The glass composition for glass fiber includes 52.0 to 57.5% by mass of SiO.sub.2, 19.5 to 25.5% by mass of B.sub.2O.sub.3, 8.0 to 13.0% by mass of Al.sub.2O.sub.3, 0 to 2.0% by mass of MgO, 0 to 6.0% by mass of CaO, 0.5 to 6.5% by mass of SrO, and 0.1 to 3.0% by mass of TiO.sub.2, the ratio of Al.sub.2O.sub.3 to B.sub.2O.sub.3 is 0.35 to 0.54, and the content SI of SiO.sub.2, the content B of B.sub.2O.sub.3, the content M of MgO, the content C of CaO, the content SR of SrO, and the content T of TiO.sub.2 satisfy the following formula (1): 6.90≤100×(B/SI).sup.2×{SR/(C+SR)}.sup.2/3×{T/(M+T)}.sup.1/2≤12.30 (1).

A method and a mineral wool product include a multiple of lamellae, such as a sandwich panel core. The product includes a plurality of lamellae cut from a mineral wool web, and bonded together by applying an adhesive on the surfaces of two adjacent lamellae to form a web-like product, wherein the adhesive comprises at least one hydrocolloid.

A method and a mineral wool product include a multiple of lamellae, such as a sandwich panel core. The product includes a plurality of lamellae cut from a mineral wool web, and bonded together by applying an adhesive on the surfaces of two adjacent lamellae to form a web-like product, wherein the adhesive comprises at least one hydrocolloid.

The optical fiber manufacturing method includes: a drawing step of drawing a glass fiber from an optical fiber base material with a melted tip; a passing step of passing the glass fiber through a fiber passage formed in a die; and a resin coating step of forming a resin layer on the outer periphery of the glass fiber by supplying a resin to the fiber passage through a flow path communicating with the fiber passage formed in the die. In the resin coating step, a temperature of the resin is controlled so that a supply pressure of the resin to the fiber passage becomes a value in a predetermined range.

The disclosure provides basemats for fibrous panels, including a mineral wool present in an amount of at least about 60 wt %, based on the total weight of the basemat, a mineral filler, a cellulose present in an amount of about 1 wt % to about 3 wt %, based on the total weight of the basemat, and a binder. The basemat has a backing side and a facing side. Also provided are fibrous panels including the basemat of the disclosure and a porous veil.