Material properties

It is E‑glass roving T635B treated with multi‑purpose silane‑based sizing system. It delivers good strand integrity, low fuzz and excellent process stability. It features diversified tex options, multiple fiber diameter selections, and good compatibility with general thermoset resins. It can provide finished composite parts with balanced mechanical performance for general‑purpose composite applications.

Applications

Glass fiber roving T635B is a general‑purpose continuous roving widely used for composite processing. It is suitable for hand lay‑up, filament winding, pultrusion and other processes, and is applied to produce FRP pipes, tanks, building profiles, general‑purpose composite components and various common fiberglass finished goods.

Manufacturing process

It is manufactured by melting E‑glass raw material into glass filaments, coated with general‑purpose silane sizing agent, then gathered into continuous roving. Finished roving is supplied in bobbin form for direct feeding into FRP manufacturing equipment for compounding with general‑purpose thermoset resin matrix.

Technical specifications

The technical specifications may vary depending on production batches, but typically include tex, yield, filament diameter and sizing compatibility. For example, typical tex for T635B are 1000 tex, 2000 tex, 2400 tex; corresponding typical yield values are 497, 248, 207; available filament diameters cover 11 μm, 13 μm, 13.5 μm, 14 μm, 17 μm; resin compatibility is general‑purpose type. Note: actual composite performance will deviate subject to resin grade and processing conditions.

Safety and environmental considerations

Standard industrial PPE is recommended during material handling to avoid inhalation of fine glass dust. Store the product in cool, dry conditions away from rain and direct sunlight. Recommended storage temperature: 5℃‑35℃, relative humidity 35%‑65%. Keep packaging sealed if not in use to prevent moisture absorption. For best performance, use within 12 months upon receipt. Follow local regulations for waste disposal of glass‑fiber waste.

Overall

T635B is a versatile general‑purpose E‑glass continuous roving. Thanks to multiple tex and fiber diameter options, stable strand quality and good resin compatibility, it is widely adopted by FRP manufacturers for various conventional fiberglass composite products.

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