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 pultrusion process and are compatible with thermosets 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 AND BENEFITS
Boron-free E-CR glass

• -High corrosion resistance

High thermal properties

• -High resistance to fire propagation, high insulation properties

Polyester, Vinylester & Epoxies compatible

• -Maximum flexibility on workshops

Low strand integrity

• -High speed impregnation in pultrusion

Globally available

• -Get flexibility in manufacturing the highest quality wherever you are

Advantex® glass is a boron-free glass and presents significantly improved corrosion resistance across a wide range of aggressive environments. Advantex® glass is an E-CR glass in accordance with ASTM D578 and ISO 2078. This translates into important benefits for end-users over traditional E glass: longer service life, larger safety coefficients for the same design, and material savings. Traditional E-glass includes boron and often contains added fluorides. By using new manufacturing technology to eliminate these components from the glass composition, Advantex® glass has become a benchmark for integrated pollution prevention and the highest energy efficiency, all in an optimized process. 3B measures its efforts and works continually to minimize its impact on the environment and to set new standards within the global fibreglass industry. This is our commitment.