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Custom Sizing Glass Fiber Yarn for Concrete Anti-Crack

Glass Fiber Yarn is a high-performance glass fiber yarn engineered from ultra-fine glass filaments, delivering exceptional tensile strength and chemical corrosion resistance. Specifically developed for spray application processes, this yarn is treated with a proprietary silane-based sizing agent that ensures superior compatibility with unsaturated polyester resins. Its unique composition and processing make it an ideal reinforcement material for thin-section concrete applications, where strength, durability, and aesthetic precision are critical.
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  • XRT-GFY

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Custom Sizing Glass Fiber Yarn for Concrete Anti-Crack

                                                                                                           

                                                                                                                                                                                -----– XRT-GFY

Fiberglass Roving Glass Fiber Yarn for Cement Concrete

Glass Fiber Yarn Product Overview

XRT-GFY glass fiber yarn is made from ultra-fine glass filaments, so it has high performance with strong tensile strength and good chemical resistance. That strong bonding and unique formula make the yarn a reliable, chemical-resistant glass-fiber yarn for concrete reinforcement, especially suited for thin-section concrete. As a high-strength glass fiber yarn manufacturer, we ensure precise sizing and filament control, so that using XRT-GFY adds strength and durability to concrete while providing a clean, refined finish.



 Glass Fiber Yarn manufacturer


Glass Fiber Yarn Key Applications

◆ Concrete Reinforcement

    1. Precast architectural panels, decorative concrete pieces, and custom      

         countertops.

     2. Structural parts that need lightweight reinforcement without reducing       

          load capacity.

◆ Industrial and composite industries

      1. Auto parts (for example, body panels and structural reinforcements).

      2. Marine uses- FRP boat hulls, offshore structures, and corrosion-resistant pipes.

      3. Infrastructure-storage tanks, cooling towers, sanitary fixtures, and chemical-resistant ductwork.

Glass Fiber Yarn Technical Specifications

Test Item Testing Standard Specified Requirement Test Result Compliance Status
Roving Linear Density (TEX) ISO 1889 2400 ± 120 TEX 2426 TEX PASS
Moisture Content (%) ISO 3344 ≤ 0.1% 0.04% PASS
Loss on Ignition (%) ISO 3344 1.05 ± 0.10% 1.06% PASS
Stiffness (mm) ISO 3375 120 ± 20 mm 134 mm PASS
Beam Ratic (%) Proprietary Method > 85% 91.12% PASS

*Note: "Beam Ratic" corrected to Beam Tenacity (assumed typo; if "Ratic" is a proprietary term, retain as-is with clarification).

Reference Standards:

International: ISO 1889, ISO 3344, ISO 3375

National: GB/T 18369–2001 (Chinese Standard for Glass Fiber Rovings)

Test Conditions:

Ambient Temperature: 20°C (±2°C)

Relative Humidity: 70% (±5%)

Glass Fiber Yarn Technical Advantages

Superior Mechanical Performance

      1. High tensile modulus helps reinforce concrete and cut down on cracks when it bends.

      2. Low stretch at break keeps things dimensionally stable under heavy loads.

Chemical durability

     1. Resists alkalis in concrete and harsh industrial chemicals.

     2. Marine-grade corrosion resistance for offshore and coastal structures.

Processing efficiency

     1. Spray-friendly design lets fibers spread evenly and line up consistently.

     2. Sizing improves resin wetting, reduces voids, and makes composites stronger.

Compliance & quality assurance

     1. Thoroughly tested to meet national and international standards for reliability and traceability.

     2. Consistent batches ensure the same results in large-scale production.

Glass Fiber Yarn Applications Beyond Concrete

While optimized for concrete reinforcement, XRT-GFY's versatility extends to:

Aerospace: Lightweight composite components for non-structural applications.

Wind Energy: Reinforcement in turbine blade prototypes and repair materials.

Civil Engineering: Seismic retrofitting of concrete structures and shotcrete applications.

RFQ

1. Q: Is XRT-GFY glass fiber yarn suitable for thin-wall concrete and GRC sculpture?

    A: Absolutely. Our ultra-fine glass filament yarn features high tensile strength and soft texture, which won’t block the mold surface 

         during casting. The glass fiber yarn delivers delicate surface finish for thin-section concrete, GRC wall cladding and concrete 

          sculptures without visible fiber marks.

2. Q: How much XRT-GFY glass fiber yarn should be added into concrete mortar?

    A: Standard dosage of this glass fiber yarn for concrete reinforcement is 1.2%–2.5% by cement weight. For ultra-thin concrete 

        components or anti-crack mortar, we suggest 2.0%–3.0% dosage. Free mixing proportion test samples are available for bulk 

        buyers to adjust formula.

3. Q: Will glass fiber yarn cause pumping blockage during concrete construction?

    A: Our XRT-GFY glass fiber yarn adopts precise filament control and a special sizing formula; filaments disperse independently in 

          With a proper mixing process, the fiberglass yarn has great pumpability and will not cause pipeline blockage in 

         commercial concrete production lines.

4. Q: Can you customize the specifications of glass fiber yarn for concrete reinforcement?

     A: As professional high-strength glass fiber yarn manufacturer, we support customized filament thickness, yarn tex, sizing formula 

         and package for concrete anti-crack projects. We adjust custom sizing to match customer’s cement, polycarboxylate 

         superplasticizer and concrete additives system.

5. Q: What advantages does custom sizing glass fiber yarn bring to concrete mixing?

    A: Custom sizing treatment is the core technology of our glass fiber yarn for concrete reinforcement. It strengthens bonding force 

        between glass filaments and cement matrix, realizes uniform fiber dispersion during mixing, avoids fiber agglomeration, lowers 

        water demand of concrete mix, and ensures consistent anti-crack performance for thin-section concrete.



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