Description
High-Strength Fiberglass Yarn for Industrial Reinforcement & Technical Textiles
Fiberglass yarn is one of the most widely used high-performance technical fibers in industrial reinforcement, insulation materials, composites, and textile applications. As a professional supplier from China, Shandong Glori Yarn Co., Ltd provides high-quality fiberglass yarn with stable performance, high tensile strength, and excellent temperature resistance, suitable for global importers and manufacturers.
What Is Fiberglass Yarn?
Fiberglass yarn is made from high-quality E-glass or C-glass fibers, drawn into continuous filaments and twisted into strong, lightweight yarns.
It offers exceptional tensile strength, thermal resistance, electrical insulation, corrosion resistance, and dimensional stability.
This makes fiberglass yarn one of the most reliable materials in electronics, composites, construction, filtration, sealing materials, and technical fabrics.
Key Features of Fiberglass Yarn
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High tensile strength and high modulus
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Excellent thermal resistance (up to 550°C depending on type)
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Superior electrical insulation
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Corrosion & chemical resistance
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Lightweight and stable
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Good processability for weaving, knitting, braiding, and laminating
Technical Specifications of Fiberglass Yarn
| Category | Specification | Notes |
|---|---|---|
| Material | E-Glass / C-Glass | E-glass for electrical insulation; C-glass for chemical resistance |
| Tex Range | 22–960 tex | Widely used in industrial textiles |
| Filament Diameter | 4 μm – 13 μm | 6μm & 9μm are popular |
| Twist Type | S-Twist / Z-Twist | Custom twist available |
| Twist Level | 40–120 TPM | Based on application |
| Moisture Content | < 0.2% | High stability |
| Color | Natural white | Can be heat-treated or coated |
| Package | Plastic bobbin / Paper cone / Pallet | OEM accepted |
| Surface Treatment | Silane treated / Starch treated / Customized | Improved adhesion in composites |
Applications of Fiberglass Yarn
Fiberglass yarn is highly versatile and widely used in multiple industries:
1. Industrial Fabrics & Textiles
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Woven fiberglass fabric
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Coated fabrics
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Fire-resistant cloth
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Thermal protection textiles
2. Composite Reinforcement
Used in manufacturing:
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FRP pipes and tanks
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Composite panels
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Wind turbine blades
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Sports equipment
3. Electrical & Electronic Products
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Insulation tapes
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PCB boards
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Electrical winding
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Transformer insulation
4. Construction Materials
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Fiberglass mesh
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Wall reinforcement fabric
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Sealants & gaskets
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Roofing materials
5. High-Temperature Applications
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Thermal insulation sleeves
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Fireproof curtains
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