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About this product

Direct Roving for Polyester, Vinylester, Polyurethane, Epoxy Resins

3B Direct Rovings consist of continuous filaments bonded into a single strand and wound onto a bobbin shape. A proprietary sizing applied on the fibres assures an excellent resin-to-glass bonding. Corrosion resistant 399 Direct Rovings made of Advantex® glass are specifically designed for the pultrusion process and are compatible with thermoset resins. They are the materials of choice for the manufacturing of high quality profiles. 399 Direct Rovings made of Advantex® glass are also used in filament winding process under specific conditions; contact us for further assistance.

FEATURES - Boron-free ECR glass - High thermal properties - Polyester, Vinylester & Epoxy compatible - Low strand integrity

BENEFITS - High corrosion resistance - High resistance to fire propagation, high insulation properties - Maximum flexibility on workshops - High-speed impregnation in pultrusion

PACKAGING Bobbins are individually wrapped with stretched plastic film for protection, improved handling and to allow optimum transfer from bobbin to bobbin. Nominal weight for C bobbins is 25 kg. Two pallet configurations are available: - Bulk Pack: standard packaging, consists of individual bobbins. - Creel Pack: bobbins are connected together for continuous unwinding and no bobbins handling for operators. For detailed information about bobbins, pallet weight, dimensions and layout please contact us.

STORAGE Storage in a cool and dry warehouse into the original packaging is formally recommended. More precisely ideal storage conditions are a temperature between 15°C and 35°C and a relative humidity comprised between 35% and 75%. If these conditions are maintained, the glass fibre product should not undergo significant changes when stored for extended periods of time. It is also strongly recommended to condition it in the workshop for at least 24 hours before use to prevent condensation. For an optimal processing it is recommended to use the product in ambient conditions (20°C-23°C and a relative humidity of 60%-65%).

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Direct Roving Direct Rovings consist of continuous filaments bonded into a single strand and wound onto a bobbin shape. 3B’s Direct Rovings are available in both corrosion resistant E-glass and R-glass formulations. 3B’s Direct Rovings are designed for excellent processability in composites technologies like: filament winding pultrusion knitting & weaving texturisation Long Fibre Technologies (LFT) Our high performance R-glass, HiPer-tex®, is designed for high load bearings thanks to its high stiffness and strength. HiPer-tex® also displays an improved thermal resistance over standard E type glass, and is corrosion as well as acid resistant. Depending on the technology they are designed for, 3B’s Direct Rovings are compatible with Thermoplastic or Thermoset resins as presented in our product portfolio below.