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MultiEndRovSMC_957

MultiEndRovSMC_957
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Catalog excerpts

PRODUCT INFORMATION PRODUCT DESCRIPTION The 957 Multi-End Roving is manufactured from a collection of continuous glass filaments, gathered, without mechanical twist, into multiple bundles. The filaments that make up the bundles are bonded together with a high performance polyester/vinylester compatible silane based sizing. The 957 sizing is compatible with polyester/vinylester resin systems as well as some polyurethane 957 Multi-End Roving is produced using Advantex® glass fiber. Advantex® glass fiber combines the electrical and mechanical properties of traditional E-glasses with the corrosion resistance of E-CR glass. Advantex® glass meets the requirements stated of PRODUCT APPLICATION 957 Multi-End Roving is designed for use in the manufacture of sheet molding compounds (SMC) for use in the consumer and automotive markets. FEATURES AND PRODUCT BENEFITS Superior Laminate Properties Excellent Runnability First Rate Flow Characteristics Excellent Choppability Excellent Sheet Density Excellent Wetting Characteristics Optimum Package and Pallet Weight TECHNICAL CHARACTERISTICS (NOMINAL VALUES) VISUAL CHARACTERISTICS OR POSSIBLE DEFECTS Roving doffs are square-edged, cylindrical packages which are firmly and evenly wound and have a constant traverse length. The packages are designed to provide a smooth runout, and their geometry is controlled to maintain the desired run out performance. Unless otherwise specified, packages (doffs) are connected using an 8-way air splice.

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PRODUCT AVAILABILITY Unless otherwise specified, it is recommended to store glass roving products in a cool dry area. Storage temperature should not exceed 95°F (35°C) and the relative humidity should be kept below 75%. Pallets should not be stored more than two high. Triple stacking will create dispersion and runout problems in addition to being a serious safety problem. Extended storage (more than one week) of double stacked pallets should For optimum processing, the roving should be allowed to equilibrate to the temperature and humidity conditions of the room in which it is used. The...

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