1. Definition and Characteristics

What is glass fiber multiaxial fabric? Glass fiber multiaxial fabric is a reinforced fabric made of parallel layers of glass fibers stacked at various angles (such as 0°, 90°, ±45°, etc.) and stitched together with polyester yarn. Its main characteristics are as follows:

Multi-directional reinforcement: Fibers can be stacked in different directions as needed to provide strength in all directions.

Good resin impregnation: The stitched structure ensures uniform thickness and low void content, facilitating rapid resin impregnation.

Strong dimensional stability: Resists deformation and maintains a stable interlayer structure.

Lightweight and high strength: Reduces product weight while maintaining strength.

2. Advantages

Excellent mechanical properties: Compared to unidirectional or woven fabrics, it can simultaneously meet tensile, flexural, and impact resistance requirements.

Flexible design: Fiber angles and number of layers can be customized to meet different structural requirements.

Reduced number of layers: It can replace multiple layers of unidirectional fabric in composite material production, improving efficiency.

Excellent processability: Suitable for processes such as resin transfer molding (RTM), vacuum infusion molding (VARTM), and hand lay-up.

3. Application Scenarios

Wind turbine blades: As the primary reinforcement material to improve fatigue resistance.

Shipbuilding: Used in hulls, decks, and other composite structures.

Transportation: Rail vehicles, automobile bodies and components.

Construction: Structural reinforcement material, GRC reinforced matrix.

Aerospace: Lightweight, high-strength composite components.

4. Selection Guide

Fiber Angle: Select based on structural load requirements, such as ±45° for shear resistance and 0°/90° for tensile resistance.

Gram Weight: Higher gram weight yields stronger mechanical properties, but also increases weight.

Resin System: Commonly used in combination with unsaturated polyester, epoxy, and vinyl resins.

Lamination Design: Select the appropriate lamination method based on the thickness and performance of the final product.

5. FAQ

What is the difference between multiaxial fabrics and traditional woven fabrics?

Woven fabrics have interwoven fibers, creating bends and reducing strength. Multiaxial fabrics, on the other hand, feature stacked straight fibers, resulting in higher strength and faster resin infiltration.

What molding processes are suitable for multiaxial fabrics?

They are suitable for processes such as RTM, vacuum infusion, hand lay-up, and compression molding.

What are the benefits of using multiaxial fabrics in wind turbine blades?

They effectively improve fatigue resistance and overall structural strength, extending blade service life.

6. Summary

As a high-performance reinforcement material, multiaxial fiberglass fabrics are widely used in wind power, marine, transportation, and construction applications due to their multi-directional reinforcement, excellent mechanical properties, and good process adaptability. Multiaxial fabrics are an ideal choice for composite products requiring lightweight, high strength, and high durability. We are a Chinese fiberglass manufacturer. If you are looking for high-quality multiaxial fiberglass stitch-bonded fabrics, our products are an excellent choice. For more information, please contact us by email at annayu@169chem.net or WhatsApp: +86 18909016373.