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Fiberglass Windows And Doors Frame

About The FRP Window And Door

Fiberglass door and window frames are very durable and weather-resistant, making them an excellent choice for various climatic conditions. The profiles of fiberglass door and window systems utilize an injection pultrusion process, which organically combines continuous glass fibers with polyurethane—polyurethane matrix reinforced by continuous fibers, significantly enhancing properties such as elastic modulus and hardness, while also possessing a thermal conductivity (heat transfer coefficient) equivalent to that of plastics. This achieves a perfect integration of thermal insulation performance and mechanical properties in the material.

  • Composition:Fiberglass frames are made of glass fibers and resin bonded together, creating a long-lasting material
  • Strength and Durability:Fiberglass frames are exceptionally strong, with low expansion and contraction rates, making them ideal for any climate
  • Low-maintenance:Fiberglass frames resist swelling, rotting, warping, and corrosion, requiring no repainting like wood. They are also paintable if color changes are desired.
  • Energy Efficiency:Fiberglass windows and doors have low thermal conductivity, providing year-round comfort and energy efficiency in homes
  • Fine Fire Protection:Even as the temperature gradually rises to over 800°C on the side facing the fire, the thermal insulation core reduces heat transfer to the side away from the fire; meanwhile, the fiberglass has not yet liquefied, maintaining a good mechanical load-bearing capacity to preserve the frame structure.
  • High level Wind Resistance Rating:Ensuring air tightness as well as thermal insulation and soundproofing performance under high wind pressure conditions. This makes them suitable for use in high-rise and high-altitude buildings.

Performance Comparison between FRP profiles and other materials

Performance Aloy Nylon Bar PVC Polyester FRP Polyurethane FRP
Density(g/cm3) 2.79 1.3 1.5 2 2.1
Thermal Conductivity(W/m2K) 160 0.3 0.35 0.4 0.25
Bending strength(MPa) 250 80~180 30 300~400 1594
specific strength(103 N·m/kg) 89.6 61~138 21.4 166~222 838.9
Flexural modulus(GPa) 50~80 2~5 2.2~5 10~22 41.3
Specific stiffness (106Nm/kg) 17~28 1.5~3.8 1.5~3 6~12 21.7
Dimensional shrinkage(≤ %) 0.6 0.4 0.4 2 0.2
Linear expansion coefficient
2.2~2.4 2.4~3.5 5~8.5 0.73 0.5~0.8
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