Product Description
Fiberglass flat strip is a flat, strip-shaped product made of high-performance glass fiber-reinforced materials, typically produced through pultrusion, weaving, or molding processes using fiberglass yarn, resin, and additives. It offers high strength, lightweight, corrosion resistance, and excellent electrical insulation, along with superior fatigue resistance and dimensional stability, making it suitable for long-term use in high-temperature, humid, or chemically corrosive environments. Fiberglass flat strips are widely used in building reinforcement, electrical insulation, transportation (e.g. lightweight automotive parts) and sports equipment (e.g. skis, bows and arrows), and can also be used as sealing materials or structural support. Compared with traditional metal flat strips, it has the characteristics of rust resistance, non-conductivity, easy cutting and installation, making it an ideal choice for the modern chemical, electrical and composite materials industries.
| Performance Parameters | Fiberglass flat strip |
|---|---|
| Composition | Fiberglass reinforced resin (Polyester/Epoxy/Vinyl Ester) |
| Density | 1.8-2.1 g/cm³ |
| Tensile Strength | 300-600 MPa |
| Flexural Strength | 400-700 MPa |
| Modulus of Elasticity | 20-30 GPa |
| Impact Strength | 15-25 kJ/m² |
| Chemical Resistance | Resistant to acids, alkalis, salts, and some organic solvents |
| Environmental Resistance | *UV-resistant, moisture-proof, and stable in -50°C to +150°C* |
| Electrical Insulation | Excellent insulation, non-conductive |
| Machinability | Easy to cut, drill, sand, and bond |
| Applications | Construction reinforcement, electrical insulation, automotive lightweighting, sports equipment, chemical industry |
Industry trends
1.Growing Market Demand
The rapid development of construction, transportation, electronics, and renewable energy industries is driving demand for Fiberglass flat strip due to their lightweight, high strength, and corrosion resistance. Applications in wind turbine blades, automotive lightweighting, and 5G base station insulation are growing significantly.
2.Technological Innovation Driving Growth
Advanced resin matrices (e.g., high-performance epoxy resins, vinyl esters) and smart manufacturing (e.g., automated pultrusion, 3D printing reinforcements) improve product performance, making fiberglass flat strips more suitable for extreme conditions (high temperatures, strong corrosion).
3.Environmental and Sustainable Development
Stricter global environmental regulations are accelerating R&D in recyclable fiberglass and bio-based resins. Eco-friendly production (e.g., low VOC emissions) is becoming the industry standard.
4.Regional Market Differences
Asia-Pacific (especially China) dominates due to infrastructure and renewable energy investments, while Western markets focus on high-end applications (e.g., aerospace, medical devices).
5.Competitive Landscape and Challenges
Market consolidation is increasing as leading companies acquire technologies, but raw material price volatility (fiberglass, resin) and competition from alternatives (carbon fiber, basalt fiber) remain challenges.
Application
1.Construction & Infrastructure
Structural reinforcement: Replaces steel plates in concrete beams/columns, offering rust-proof and lightweight properties.
Curtain wall supports: Lightweight yet strong framing material with excellent weather resistance.
Bridge rehabilitation: Repairs corroded or aging bridge components, extending service life.
2.Transportation
Automotive lightweighting: Used in EV battery enclosures and door reinforcements to reduce weight.
Rail transport: Interior panels and equipment brackets with flame-retardant and vibration-damping properties.
Shipbuilding: Deck partitions and bulkheads resistant to seawater corrosion.
3.Electrical & Electronics
Insulation components: Transformer barriers and cable trays with EMI shielding.
5G base station: Radome and structural supports with excellent wave transparency.
Renewable energy: Solar panel frames and wind turbine blade connectors.
4.Industrial & Chemical
Chemical equipment: Tank linings and pipe wraps resistant to acid/alkali.
Conveyor systems: Lightweight conveyor belt frameworks reducing energy consumption.
Safety protection: Explosion-proof walls and corrosion-resistant platforms.
5.Sports & Consumer Goods
Sports equipment: Reinforcement layers for skis, bows, and fishing rods.
Household items: Furniture supports and waterproof bathroom panels.
Advantages of Fiberglass Flat Strips
Lightweight：
With a density of only 1.8-2.1 g/cm³, fiberglass flat strips are 60%-70% lighter than steel, reducing transportation and installation costs and are ideal for weight-sensitive applications (e.g. automotive, aerospace).
High Strength：
Tensile strength reaches 300-600 MPa, comparable to some alloy steels but with lower weight, suitable for structural reinforcement and load-bearing parts.
Corrosion Resistance:
Rust-free and resistant to acids, alkalis, salts, and seawater, significantly outperforming metals in harsh environments (e.g., chemical plants, marine applications).
Electrical Insulation:
Non-conductive with excellent insulation properties, ideal for electrical systems and 5G infrastructure requiring EMI shielding.
Weather Resistance：
UV-resistant and stable in extreme temperatures (-50°C to +150°C), ensuring durability in outdoor applications (e.g., solar panels, facades).
Design Flexibility:
Easily cut, drilled, or bent to customized shapes, offering adaptability for complex designs.
Cost-Effectiveness:
Lower lifecycle costs due to minimal maintenance and no need for anti-corrosion treatments.
Fiberglass Strips VS Traditional Materials
| Parameter | Fiberglass Flat Bars | Steel | Aluminum |
|---|---|---|---|
| Density | 1.8-2.1 g/cm³ | 7.85 g/cm³ | 2.7 g/cm³ |
| Tensile Strength | 300-600 MPa | 300-500 MPa | 100-300 MPa |
| Flexural Strength | 400-700 MPa | 400-550 MPa | 150-250 MPa |
| Corrosion Resistance | Excellent (acid/alkali/seawater resistant) | Poor (requires coating) | Moderate (oxidizes easily) |
| Electrical Insulation | Excellent (non-conductive) | Conductive | Conductive |
| Thermal Conductivity | 0.3-0.4 W/(m·K) | 50 W/(m·K) | 237 W/(m·K) |
| Thermal Expansion | 6-10×10⁻⁶/℃ | 12×10⁻⁶/℃ | 23×10⁻⁶/℃ |
| Machinability | Easy to cut/drill | Requires welding/cutting | Easy to machine but soft |
| Maintenance | Nearly maintenance-free | Regular anti-rust treatment needed | Surface protection needed |
| Service Life | 20+ years | 5-15 years (environment dependent) | 10-20 years |
| Cost Structure | Moderate material cost, low maintenance | Low material cost, high maintenance | High material cost, moderate maintenance |
| Typical Applications | Construction reinforcement, automotive lightweight, electrical insulation | Building structures, mechanical parts | Aerospace, heat dissipation components |
Customization Details
Customize The Diameter
If the size you need is not listed in the table, please contact us. We have a wide selection of molds and can produce fiberglass flat strips with sizes ranging from 1.5mm to 11mm.
T(mm) T(inch） W(mm) W(inch） L(mm) L(inch） 1.5 0.059 10 0.394 1000 39.37 2.0 0.079 15 0.591 1200 47.24 3.0 0.118 20 0.787 1500 59.06 4.0 0.157 25 0.984 2000 78.74 5.0 0.197 30 1.181 2400 94.49 6.0 0.236 40 1.575 3000 118.11 8.0 0.315 50 1.575 3400 140.22 9.0 0.395 60 1.987 4000 198.32 10 0.753 65 2.106 4200 230.16 11 1.258 70 2.549 4900 291.49
| T(mm) | T(inch） | W(mm) | W(inch） | L(mm) | L(inch） |
|---|---|---|---|---|---|
| 1.5 | 0.059 | 10 | 0.394 | 1000 | 39.37 |
| 2.0 | 0.079 | 15 | 0.591 | 1200 | 47.24 |
| 3.0 | 0.118 | 20 | 0.787 | 1500 | 59.06 |
| 4.0 | 0.157 | 25 | 0.984 | 2000 | 78.74 |
| 5.0 | 0.197 | 30 | 1.181 | 2400 | 94.49 |
| 6.0 | 0.236 | 40 | 1.575 | 3000 | 118.11 |
| 8.0 | 0.315 | 50 | 1.575 | 3400 | 140.22 |
| 9.0 | 0.395 | 60 | 1.987 | 4000 | 198.32 |
| 10 | 0.753 | 65 | 2.106 | 4200 | 230.16 |
| 11 | 1.258 | 70 | 2.549 | 4900 | 291.49 |
Customize the color
We can match any color based on standard color codes or provided samples.
Post-processing
We also provide various post-processing services for fiberglass flat strips, including drilling, chamfering, polishing, cutting, etc.
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Packaging and shipping
To ensure the product reaches our customers intact, we will apply impact-resistant cushioning material around vulnerable areas of the base board, providing protection during transit.
FAQ
Q1: What are the key steps in the manufacturing process of Fiberglass flat strip?
A1: Key manufacturing steps:
Material preparation: Mixing fiberglass yarn with resin (epoxy/polyester)
Forming process: Pultrusion or compression molding
Curing: Heat or UV curing for resin hardening
Post-processing: Cutting, polishing, surface treatment
Q2: How do Fiberglass flat strip perform under extreme temperatures?
A2: 1.Cold resistance: Remains flexible at -60℃ without cracking
2.Heat resistance: Long-term service up to 150-180℃ (short-term 200℃)
3.Dimensional stability: Low thermal expansion (6-10×10⁻⁶/℃), outperforms metals
Q3: How to identify high-quality Fiberglass flat strip?
A3:Identification methods:
Appearance: Smooth surface without bubbles, burr-free edges
Material: Uniform fiber distribution in cross-section, no resin pooling
Testing:
Flexural strength ≥400MPa
Barcol hardness ≥40
UL94 V0 flame rating
