A cover board for use in a roofing system includes a core formed from recycled material. The core has a first major surface and a second major surface and the recycled material includes a plastic material. At least one region of the core has a concentration of plastic greater than a concentration of plastic within a remainder of the core.

A cover board for use in a roofing system includes a core formed from recycled material. The core has a first major surface and a second major surface and the recycled material includes a plastic material. At least one region of the core has a concentration of plastic greater than a concentration of plastic within a remainder of the core.

Provided is a construction assembly comprising: a. a base; b. a layer of glass fiber placed directly on the base; and c. a decorative layer having a plurality of tiles placed immediately on the glass fiber, wherein the glass fiber is mixed with a hardener and a resin to attach the glass fiber directly to the base and the decorative layer.

Provided is a construction assembly comprising: a. a base; b. a layer of glass fiber placed directly on the base; and c. a decorative layer having a plurality of tiles placed immediately on the glass fiber, wherein the glass fiber is mixed with a hardener and a resin to attach the glass fiber directly to the base and the decorative layer.

An electronic device including a flexible display is provided. The electronic device includes a flexible display including a flexible display panel configured to display an image in a first direction, and a flexible window which is disposed in the first direction of the flexible display panel, based on the direction in which the image of the flexible display panel is displayed, and including a first part and a second part. The second part may include a flat-plate glass member. The first part may include multiple elongated glass members oriented parallel to the bending axis on a plane surface on which the flat-plate glass member is disposed in an unflexed state of the flexible window, and an optically transparent polymer disposed in a region positioned in the first direction and a region positioned in a second direction opposite to the first direction, coupled to the multiple elongated glass members.

An electronic device including a flexible display is provided. The electronic device includes a flexible display including a flexible display panel configured to display an image in a first direction, and a flexible window which is disposed in the first direction of the flexible display panel, based on the direction in which the image of the flexible display panel is displayed, and including a first part and a second part. The second part may include a flat-plate glass member. The first part may include multiple elongated glass members oriented parallel to the bending axis on a plane surface on which the flat-plate glass member is disposed in an unflexed state of the flexible window, and an optically transparent polymer disposed in a region positioned in the first direction and a region positioned in a second direction opposite to the first direction, coupled to the multiple elongated glass members.

The use of a sealing layer of a composition including at least one polyamide for preparing a multicore structure intended for the transport, distribution or storage of hydrogen, in particular for the distribution or storage of hydrogen, especially for the storage of hydrogen, the sealing layer satisfying a test for contaminants present in the hydrogen and extracted from the sealing layer after contact of the hydrogen with same, the test been carried out as defined in the standard CSA/ANSI CHMC 2: 19, the total proportion of said contaminants extracted in the hydrogen being less than or equal to 3% by weight, in particular less than 2% by weight of the sum of the constituents of the composition.

A cover window according to an embodiment includes a first layer having a first Young’s modulus, and a second modulus layer disposed on the first modulus layer and having a second Young’s modulus greater than the first Young’s modulus. Each of the first modulus layer and the second modulus layer includes a polymer resin and glass fibers, and a volume ratio of the glass fibers in the first modulus layer is greater than a volume ratio of the glass fibers in the second modulus layer.

A cover window according to an embodiment includes a first layer having a first Young’s modulus, and a second modulus layer disposed on the first modulus layer and having a second Young’s modulus greater than the first Young’s modulus. Each of the first modulus layer and the second modulus layer includes a polymer resin and glass fibers, and a volume ratio of the glass fibers in the first modulus layer is greater than a volume ratio of the glass fibers in the second modulus layer.

Provided are an insulating material for a circuit substrate, which has excellent dielectric characteristics in a high frequency area, has low coefficients of linear thermal expansion all in a MD direction, a TD direction, and a ZD direction, is easily manufactured and has excellent productivity, and a method for manufacturing the same and a metal foil-clad laminate. An insulating material for a circuit substrate, comprising a laminate having a thermoplastic liquid crystal polymer film and a woven fabric of an inorganic fiber, wherein the thermoplastic liquid crystal polymer film contains an inorganic filler, and the laminate is a dry laminate in which the thermoplastic liquid crystal polymer film and the woven fabric are thermocompression bonded.