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OC® Multi-End Rovings are continuous glass fibers bonded together with high-performance sizings and gathered together into strands without twist. The OC® Multi-End Roving can be used in many processes, including but not limited to sheet molding (SMC), spray-up, panel, centrifugal casting, long fiber injection (LFI), glass mat thermoplastics (GMT) and continuous molding (CMC). The roving strands are chopped and used with a wide variety of resins, including but not limited to polyester (PE), vinyl ester (VE), polyurethane (PU), styrene butadiene (SBR), chloroprene rubber (CR), polypropylene (PP) and epoxy (EP) resin systems.
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AGY produces conventional or multi-end roving products from S-2 Glass fibers. These roving products are typically used for composite reinforcement applications where high performance fiber reinforcement is required. S-2 Glass Rovings are produced in a variety of constructions, varying by total linear density and by the type of size system applied to the fibers. The products are broken down by the size system and its resin compatibilities. There are 4 families of S-2 Glass Roving products - 365 rovings, 449 rovings, 463 rovings, and 933 rovings. These roving products are described with the size chemistry number followed by the nominal yield in yards per pound.
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Manufactured from E-type glass. Offered as a wound which is produced by winding parallel strips of strand. Free from looping. Features low static electrisation compliance and minor fraying. Very good chopping qualities. Designed for processing by means of open mould spraying with the use of polystyrene resins. Very good wet-out qualities and quick release of air bubbles during laminate moulding process.
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OC® Single-End Continuous Rovings (Type 30®) consist of a combination of filaments bonded into a single, ribbon-like strand. They are produced by pulling individual fibers directly from a bushing, at the glass furnace, and winding them onto a roving package that is ready for shipment. These single-end or direct rovings deliver outstanding processing and mechanical properties, and they are compatible with most resin systems, including polyester, vinyl ester, epoxy, phenolic, polypropylene and polyamide. Typical end-use processes and applications include filament winding, pultrusion, knitting and weaving, and thermoplastic processing to manufacture products such as pipe,
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Woven roving glass fabrics of KROSGLASS S.A. are produced on weaving looms from rovings ER 3003 and ER 3003 B. These rovings are made of glass fibers of alkali-free boron-aluminium-silica glass of type E (contents of alkali metal oxides less than 1%). The fabrics are made of direct roving having filament diameter 11 ÷ 22 µm (depending on linear mass of the roving used). Rovings with chemical active vinyl-silane or metacrylosilane coating are used in fabric production, thus enabling a direct application of fabrics in production of laminates (no additional operations of surface finishing off are required), and good polymer-to-glass adhesion is ensured.
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OC® Woven Rovings are either single-end or multi-end rovings woven into fabrics for uses such as wall reinforcements and rib or laminate reinforcements. Compatible with most resins, woven rovings provide rapid wet-out and excellent dimensional stability during product handling. OC® Woven Rovings are made in a variety of assorted weave patterns for design flexibility and high strain values, and can be engineered for high impact-resistant applications.
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ZenTron high strength roving is a single-end S-2 Glass roving product that consists of numerous L or T Filament continuous glass strands gathered without mechanical twist into a single bundle and treated with one of two epoxy-compatible size systems.
ZenTron is suitable for a number of composite and non-composite processes and applications, including weaving, filament winding, pultrusion, and texturizing. The 758 size system was developed for composite and reinforcement applications, while the 721B size system was developed for texturizing and thermal applications.
ZenTron products are described with the size chemistry designator as well as the nominal yield in yards per pound.
There are two families of ZenTron products - L Filament and T Filament.
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