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Textile products A strand is defined according to the diameter of its filaments - from 5 to 14 microns - its linear weight or tex count (g/km), the direction of twist and the number of turns per meter. Single yarn undergoes a single twist operation with the number of turns per meter between 20 and 40. Plied yarn is made from two or more single yarns twisted together in the opposite direction to the original twist. The yarn is supplied on a cop and can be used directly on industrial process machinery: weaving, braiding, covering, etc. Once it has been transformed by textile processing, it is most often used as a reinforcement or support for various materials: synthetic resin, bitumen, mica, paper, adhesive, etc. |
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Roving Roving is produced either directly from the bushing by drawing a large number of filaments (direct roving), or by assembling several strands in parallel, with no twisting (assembled roving). Roving, consisting of filaments from mostly 10 to 24 microns in diameter, is most often used in linear weights (counts) of 600, 1200, 2400 and 4800 tex. Presented as "cheese" or "spool" (winding on a tube), roving unwinds very easily. The characteristics of roving: stiffness, equal tension of fibers, lubricity, ease of cutting… depend on the process for which it is intended to be used: weaving, continuous impregnation, chopping… |
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Chopped strands Basic strands generally cut to lengths from 3 to 12 mm; these products have numerous applications. They are used mainly in large series processes to reinforce thermoplastic and thermoset resins and are also used to reinforce plaster, cement and paper. The characteristics in respect of integrity, flowability, compatibility, etc., will differ depending on the application. |
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Continuous filament mats These are felts of continuous filaments distributed in uniform layers as they leave the bushing and held together by a binder. The type and content of the binder depend on the application. These mats are particularly well suited to molding between matched molds, and to the production of continuous profiles, circuit boards, etc. They are also used for foam reinforcement. They are easy to draw and are a simple way to obtain "preforms": reinforcement in the shape of the part to be molded. |
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Chopped strand mats These are felts or mats consisting of glass strands chopped to lengths of mostly 50 mm and held together by a binder which is soluble in styrene. The binder content may vary from 3 to 6%, depending on the requirements in terms of processing of the mat and the characteristics of the finished product. Chopped strand mat is particularly suited to contact molding and to continuous molding between layers of film. |
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Woven rovings Woven roving fabrics are made of roving glass strands. The fabrics are manufactured mostly as fabrics with a uniform warp and weft setting but also as unidirectional fabrics and as tapes. They are used for hand lay-up, injection molding, and press molding, etc. for the production of laminated glass-reinforced plastics for industrial use, transport, sports and leisure, etc. |
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Glass tissue Glass tissue or glass mat is a non-woven material, composed of uniformly distributed glass strands. These are bound by means of organic additives. These form a tissue which, after polymerization, is rolled up and packaged ready for dispatch. Glass mat is not susceptible to atmospheric agents or to UV rays, is supple and traction-resistant, will not rot and is dimensionally stable. Its porosity makes it easy to impregnate, while it also demonstrates good chemical resistance and possesses excellent waterproofing, anti-corrosion and fire protection characteristics. The two processes used to manufacture glass mats - the wet and dry processes - produce different types of tissue. Their diverse applications satisfy the technical requirements of a range of sectors: insulation, car industry, construction, etc. |
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products Glass strand |
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