Fluorine-Free Boron-Free E-Glass Direct Roving for Weaving,Woven Roving & Geogrid

        Fluorine-Free Boron-Free E-Glass Direct Roving is a high-performance continuous fiberglass reinforcement developed for weaving woven roving,geogrid,grid cloth,multiaxial fabric,unidirectional fabric,and grinding wheel reinforcement cloth. Manufactured with a fluorine-free and boron-free E-glass composition,the roving is treated with a silane-based sizing system designed for compatibility with unsaturated polyester,epoxy,and vinyl ester resin systems.Current product grades cover approximately 250–2400 tex with filament diameters from 13–24 μm and a listed linear-density deviation control of ±5%. The direct roving is engineered for stable unwinding,good ribbon formation,low fuzz,and efficient processing on weaving equipment.J107,J506,and J502 sizing systems are available for different woven products and resin requirements,making this fiberglass direct roving suitable for woven roving,geogrid,grinding wheel cloth,multiaxial reinforcement,wind-energy fabrics,marine composites,construction reinforcement,and industrial FRP manufacturing.

Fiberglass Direct Roving Specifications

Key Advantages of Fiberglass Direct Roving for Weaving

1. Fluorine-Free & Boron-Free E-Glass Composition

This direct roving is manufactured using a fluorine-free and boron-free E-glass formulation.

For buyers seeking fiberglass reinforcement produced without intentionally formulated fluorine and boron components,this glass composition provides a clear material-selection advantage.

The environmental profile of a finished product should still be evaluated according to the relevant regulatory,test,and lifecycle requirements rather than inferred from glass composition alone.

2. Designed Specifically for Weaving Processes

Unlike general-purpose roving,this product is engineered for conversion into woven and stitched fiberglass reinforcement.

Typical downstream products include:

• Woven roving

• Fiberglass geogrid

• Grid cloth

• Grinding wheel reinforcement cloth

• Multiaxial fiberglass fabric

• Unidirectional fiberglass fabric

• Composite reinforcement textiles

The roving construction and sizing system are selected to support stable processing during fabric manufacturing.

3. Good Ribbon Formation

Direct roving used for weaving must maintain a stable ribbon structure as it passes through guides,tension-control systems,and weaving equipment.

Good ribbon formation can help support:

• Stable yarn spreading

• Consistent fabric appearance

• Reduced filament separation

• Improved weaving continuity

• Better reinforcement uniformity

This is particularly important for woven roving and grid-type products where consistent yarn geometry influences the finished fabric structure.

4. Low Fuzz for High-Speed Processing

Fiber fuzz can interrupt weaving,contaminate machinery,and reduce fabric quality.

This fiberglass direct roving is designed for good wear resistance and controlled fuzz generation during processing.

Lower fuzz can support:

• Cleaner weaving equipment

• More stable yarn tension

• Reduced yarn damage

• Fewer production interruptions

• Improved fabric consistency

Actual loom performance depends on equipment settings,yarn path,tension,speed,and environmental conditions.

5. Multiple Linear Density Options

Current grades cover a broad tex range from approximately 250–2400 tex.

This allows fabric manufacturers to select different roving sizes according to:

• Target fabric weight

• Weave density

• Mesh opening

• Required reinforcement level

• Loom configuration

• End-use application

Fine and heavier roving options provide flexibility for both grid products and heavier woven reinforcement fabrics.

6. Controlled Linear Density

The current product specification lists linear-density deviation control of approximately ±5%.

Consistent tex is important because it directly affects:

• Fabric areal weight

• Yarn consumption

• Fabric thickness

• Reinforcement distribution

• Weaving tension

• Finished roll consistency

Controlled linear density is therefore an important purchasing parameter for industrial weaving operations.

7. Silane-Based Sizing System

The fiberglass surface is treated with a silane-based sizing system.

Sizing performs several important functions during both textile conversion and composite manufacturing:

• Protects filaments during handling

• Improves roving integrity

• Supports processing through weaving equipment

• Influences fiber-resin compatibility

• Helps establish fiber-matrix bonding

Different sizing grades are available according to resin and downstream-fabric requirements.

8. UP,EP & VE Resin Compatibility

Different product grades are designed for compatibility with:

• Unsaturated Polyester Resin

• Epoxy Resin

• Vinyl Ester Resin

Resin compatibility should be matched to the final composite application.

For example,epoxy-compatible roving can be important for wind-energy and higher-performance multiaxial reinforcements,while UP-compatible grades are widely used in general FRP woven roving applications.

9. Suitable for Woven Roving Production

Woven roving requires continuous fiberglass yarn with stable tension,good handling,and consistent linear density.

J107 grades are available for woven roving production across a broad linear-density range.

The resulting woven fabrics can be used as reinforcement in:

• Marine laminates

• FRP panels

• Tanks

• Industrial structures

• Transportation components

• General composite molding

10. Suitable for Fiberglass Geogrid

Fiberglass geogrid uses high-strength continuous glass fiber as the principal reinforcement.

The J107 direct roving range includes grades designed for geogrid and grid-cloth production.

Typical end uses include:

• Pavement reinforcement

• Asphalt reinforcement systems

• Road rehabilitation

• Crack-control reinforcement

• Geotechnical composite products

The performance of the finished geogrid depends on fabric construction,coating,mesh size,and installation system.

11. Suitable for Multiaxial Fabrics

J506 and J502 grades are designed for multiaxial fiberglass fabric production.

Multiaxial reinforcement can orient fibers in directions such as:

• 0°

• 90°

• +45°

• -45°

• Multi-layer combinations

This architecture can be used for high-performance composite structures requiring controlled directional reinforcement.

12. Suitable for Unidirectional Fabrics

Direct roving can also be converted into unidirectional reinforcement where most structural fibers are aligned in one principal direction.

UD fiberglass fabrics can be used in applications requiring:

• Directional stiffness

• Directional tensile reinforcement

• Pultrusion-related reinforcement systems

• Wind-energy structures

• Structural composite laminates

13. Fast Resin Penetration Potential

Proper sizing and consistent fiber bundles can support effective resin penetration during composite manufacturing.

Efficient impregnation is especially important for heavier woven fabrics and multiaxial reinforcement.

Actual resin wet-out depends on:

• Resin viscosity

• Resin chemistry

• Temperature

• Fabric architecture

• Areal weight

• Vacuum or pressure

• Manufacturing process

14. Suitable for Corrosion-Resistant Composite Systems

Glass fiber itself does not rust like steel.

When incorporated into a properly selected resin matrix,fiberglass reinforcement can be used in composite structures exposed to moisture,marine environments,and selected chemical conditions.

The corrosion resistance of the finished FRP product depends primarily on the complete glass-resin system rather than the roving alone.

15. Broad Industrial Application Range

The same direct-roving platform can support multiple downstream reinforcement products for wind energy,marine,construction,and industrial composite markets.

This can simplify raw-material sourcing for fiberglass textile manufacturers producing several types of reinforcement fabric.

Fiberglass Direct Roving Technical Grades

J107 Direct Roving for Geogrid & Grid Cloth

J107 direct roving is available in approximately 250–900 tex for grid-type reinforcement products.

Linear Density: 250–900 tex

Filament Diameter: 13–24 μm

Linear Density Deviation: ±5%

Compatible Resins: UP / EP / VE

Recommended Products: Grid Cloth / Grinding Wheel Cloth / Geogrid

This grade is suitable where manufacturers require relatively fine-to-medium roving for controlled mesh structures.

J107 Direct Roving for Woven Roving

A broader J107 range is available for conventional woven roving production.

Linear Density: 500–2400 tex

Filament Diameter: 13–24 μm

Linear Density Deviation: ±5%

Compatible Resin: UP

Recommended Product: Woven Roving

This grade can be used to produce fiberglass fabrics for general FRP reinforcement in marine,construction,transportation,and industrial applications.

J506 Direct Roving for Epoxy Multiaxial Fabric

J506 is designed for multiaxial fabric applications using epoxy-compatible composite systems.

Linear Density: 300–2400 tex

Filament Diameter: 13–24 μm

Linear Density Deviation: ±5%

Compatible Resin: EP

Recommended Product: Multiaxial Fiberglass Fabric

This grade can be considered for applications such as wind-energy reinforcement and other epoxy-based structural composites.

J502 Direct Roving for Multiaxial Fabric

J502 provides compatibility with both unsaturated polyester and epoxy resin systems.

Linear Density: 300–2400 tex

Filament Diameter: 13–24 μm

Linear Density Deviation: ±5%

Compatible Resins: UP / EP

Recommended Product: Multiaxial Fiberglass Fabric

The broader resin compatibility makes this grade useful for fabric manufacturers serving several composite-processing markets.

J107 vs. J506 vs. J502 Direct Roving

Fiberglass Direct Roving for Woven Roving Fabric

Woven roving is produced by weaving continuous glass-fiber rovings into a bidirectional reinforcement fabric.

Direct roving used for this process should provide:

• Consistent tex

• Low fuzz

• Stable tension

• Good abrasion resistance

• Uniform ribbon shape

• Reliable unwinding

• Suitable resin compatibility

Finished woven roving can be used in FRP structures such as:

• Boat hulls

• Composite panels

• Storage tanks

• Industrial covers

• Transportation components

• General structural laminates

Fiberglass Direct Roving for Geogrid

Fiberglass geogrid is commonly produced by arranging continuous fiberglass reinforcement into an open grid structure followed by an application-specific coating or finishing process.

Potential road and construction applications include:

• Asphalt pavement reinforcement

• Road rehabilitation

• Crack mitigation systems

• Pavement overlay reinforcement

• Infrastructure strengthening

• Geotechnical reinforcement

The finished geogrid performance depends on the entire system including fiberglass yarn,grid geometry,coating,tensile properties,and installation quality.

Fiberglass Direct Roving for Grid Cloth

Grid cloth requires regular yarn spacing and stable reinforcement geometry.

The 250–900 tex J107 range provides options for different grid weights and mesh constructions.

Important manufacturing considerations include:

• Yarn tension

• Mesh opening

• Weave geometry

• Surface treatment

• Coating compatibility

• Finished tensile requirement

Fiberglass Roving for Grinding Wheel Reinforcement Cloth

Selected J107 direct roving can be converted into fiberglass reinforcement cloth used in abrasive grinding-wheel systems.

Important properties for this application include:

• Yarn strength

• Fabric stability

• Heat-resistant reinforcement architecture

• Consistent weaving

• Resin compatibility

• Dimensional control

The performance of the finished grinding-wheel reinforcement cloth depends on fabric construction,resin treatment,and the complete abrasive-wheel manufacturing system.

Fiberglass Direct Roving for Multiaxial Fabric

Multiaxial fiberglass fabrics provide reinforcement in multiple engineered directions.

Direct roving can be laid in combinations such as:

• 0°

• 90°

• +45°

• -45°

and stitched into a stable fabric architecture.

Potential applications include:

• Wind turbine blades

• Marine structures

• Transportation components

• Large composite panels

• Structural FRP parts

• Industrial laminates

Fiberglass Direct Roving for Wind Energy

Wind-energy composite manufacturing uses large quantities of continuous glass-fiber reinforcement.

Epoxy-compatible J506 direct roving can be converted into multiaxial fabrics for selected wind-energy applications.

Potential components include:

• Wind blade laminates

• Shear webs

• Structural skins

• Nacelle components

• Reinforcement sections

Material selection should be based on the complete laminate design and resin-processing requirement.

Fiberglass Direct Roving for Marine Composites

Woven roving and multiaxial fabrics manufactured from direct roving can be used in marine FRP structures.

Potential applications include:

• Boat hulls

• Decks

• Marine panels

• Bulkheads

• Structural reinforcements

• Equipment covers

Marine durability depends strongly on resin selection,laminate quality,water protection,and manufacturing process.

Fiberglass Direct Roving for Construction Applications

Direct roving can be converted into reinforcement products used in construction and infrastructure applications.

Potential downstream products include:

• Fiberglass geogrid

• Grid reinforcement

• Structural fabrics

• Composite panels

• FRP reinforcement systems

• Geotechnical products

The required glass type,sizing,fabric geometry,and coating should be matched to the final construction system.

Fiberglass Direct Roving for Industrial Composites

Industrial composite manufacturers use woven and multiaxial fiberglass reinforcement for products such as:

• FRP tanks

• Industrial panels

• Covers

• Housings

• Structural profiles

• Composite equipment

• Transportation components

• Corrosion-resistant structures

Choosing the correct roving is the first step toward consistent reinforcement-fabric production.

Understanding Fiberglass Linear Density (tex)

Tex is a standard measure of yarn linear density.

1 tex = 1 gram per 1,000 meters of yarn.

A higher tex value generally represents a heavier roving bundle.

For example:

• Lower tex → finer roving

• Higher tex → heavier roving

Tex selection affects:

• Finished fabric weight

• Yarn count

• Mesh geometry

• Loom settings

• Reinforcement mass

• Resin demand

• Production efficiency

The optimum tex should therefore be selected according to the intended fabric construction rather than simply choosing the highest available linear density.

250–900 tex vs. 500–2400 tex Direct Roving

Why Filament Diameter Matters

Current product grades use filament diameters of approximately 13–24 μm.

Filament diameter can influence:

• Yarn flexibility

• Filament count

• Abrasion behavior

• Surface area

• Resin wet-out

• Fabric handling

• Finished reinforcement architecture

The optimal diameter depends on the roving tex,sizing,and intended fabric.

Importance of Moisture Control

The current product specification lists moisture content at ≤0.2%.

Moisture control is important because excessive moisture can affect:

• Weaving consistency

• Sizing condition

• Resin adhesion

• Composite processing

• Storage stability

• Surface quality

Roving should therefore remain protected from unnecessary humidity and condensation before processing.

Silane Sizing & Resin Compatibility

The sizing system provides the interface between the glass fiber and the surrounding resin matrix.

UP-Compatible Fiberglass Direct Roving

Unsaturated polyester resin is widely used in general FRP manufacturing.

UP-compatible direct roving can be converted into woven or multiaxial reinforcement for:

• Marine components

• FRP panels

• Industrial structures

• Tanks

• General molded composites

• Transportation parts

Epoxy-Compatible Fiberglass Direct Roving

Epoxy-compatible direct roving is important for composite structures requiring strong fiber-matrix interaction and engineered mechanical performance.

Potential applications include:

• Wind energy

• High-performance multiaxial fabrics

• Structural composite panels

• Marine structures

• Industrial engineered laminates

Vinyl Ester-Compatible Fiberglass Direct Roving

Selected J107 grades list compatibility with vinyl ester resin for grid and geogrid-type products.

Vinyl ester systems are often selected where manufacturers require a balance between mechanical performance and chemical resistance.

The final sizing-resin compatibility should be confirmed according to the end-use system.

Direct Roving vs. Assembled Roving

Direct Roving vs. Fiberglass Yarn

How to Choose Fiberglass Direct Roving for Weaving

Selection Guide by Finished Fabric

Custom Fiberglass Direct Roving Options

Quality Control

Reliable direct roving must maintain consistent fiberglass and sizing characteristics throughout production.

Key quality control items include:

• Glass composition

• Linear density

• Tex deviation

• Filament diameter

• Moisture content

• Sizing consistency

• Roving integrity

• Ribbon formation

• Fuzz level

• Unwinding behavior

• Package shape

• Bobbin condition

• Contamination

• Batch identification

• Packaging integrity

For critical weaving applications,customers should define the required tex,tolerance,resin system,fabric type,and weaving conditions before production.

Packaging & Shipping

Storage Guidelines

1. Store in a Cool,Dry Warehouse

Fiberglass direct roving should be stored indoors in a clean,dry,and well-ventilated environment.

2. Recommended Storage Temperature

The current product information recommends approximately:

-10°C to 35°C

3. Recommended Relative Humidity

Recommended relative humidity is approximately:

35%–65% RH

4. Keep Original Packaging Sealed

Do not remove the protective packaging until the product is ready for production.

This helps prevent:

• Moisture absorption

• Dust contamination

• Surface contamination

• Bobbin damage

5. Avoid Direct Sunlight

Store fiberglass roving away from prolonged direct sunlight and strong heat sources.

6. Avoid Moisture & Condensation

Condensation may affect yarn handling and sizing performance.

If material has been stored outside recommended conditions,it should be conditioned in the production area before processing.

7. Conditioning Before Use

The current handling recommendation indicates conditioning the material in the production workshop for at least approximately 24 hours when it has been stored outside recommended environmental conditions.

This helps balance product temperature and humidity before opening or processing.

8. Pallet Stacking

For warehouse storage,the current recommendation is to stack pallets no more than approximately three layers high.

Pallets should remain level and stable to prevent damage to bobbins and packaging.

Frequently Asked Questions About Fiberglass Direct Roving for Weaving

1. What is fiberglass direct roving?

Fiberglass direct roving is a continuous bundle of glass filaments collected directly into a roving package without first being converted into multiple separate strands and subsequently assembled.

It is widely used for weaving,pultrusion,filament winding,and other continuous-fiber manufacturing processes.

2. What is this direct roving primarily used for?

This product range is primarily designed for weaving:

• Woven roving

• Geogrid

• Grid cloth

• Grinding wheel reinforcement cloth

• Multiaxial fabrics

• Unidirectional fabrics

3. What glass composition is used?

The current product uses fluorine-free and boron-free E-glass.

4. Is this fiberglass roving eco-friendly?

The glass formulation is produced without fluorine and boron components according to the current product specification.

However,a specific environmental or regulatory claim should be supported by the corresponding test,standard,or certification when required by the customer.

5. What linear densities are available?

Current products cover approximately 250–2400 tex depending on grade and application.

6. What does 2400 tex mean?

Tex expresses linear density.

2400 tex means the roving has a nominal mass of approximately 2400 grams per 1,000 meters.

7. What filament diameter is available?

Current specifications list approximately 13–24 μm.

8. What is the linear-density tolerance?

The current product information lists a control range of approximately ±5%.

9. What is the moisture content?

Current item specifications list moisture content at ≤0.2%.

10. What sizing system is used?

The current product uses a silane-based sizing system.

11. Which resins are compatible with the roving?

Depending on the grade,the current product range supports:

• Unsaturated Polyester

• Epoxy

• Vinyl Ester

12. Which roving should I choose for woven roving?

J107 in the approximately 500–2400 tex range is currently specified for woven roving with UP resin compatibility.

13. Which grade is suitable for fiberglass geogrid?

J107 in the approximately 250–900 tex range is currently specified for grid cloth,grinding wheel cloth,and geogrid production.

14. Which grade is suitable for epoxy multiaxial fabric?

J506 is currently specified for epoxy-compatible multiaxial fiberglass fabric.

15. What is the difference between J506 and J502?

J506 is currently listed for epoxy resin systems.

J502 is currently listed for both unsaturated polyester and epoxy resin compatibility.

16. Can this roving be used for high-speed weaving?

The product is designed for weaving and emphasizes ribbon formation,wear resistance,and low fuzz.

Actual operating speed should be optimized according to loom design,yarn path,tension,and fabric construction.

17. Why is low fuzz important?

Excessive fuzz can increase machine contamination,yarn breakage,and production interruptions.

Low-fuzz roving helps support cleaner and more stable textile processing.

18. Can this roving be used to manufacture unidirectional fiberglass fabric?

Yes.

Direct roving can be arranged primarily in one direction and stabilized into unidirectional reinforcement according to the required fabric process.

19. Can the product be used for wind turbine blade fabrics?

Epoxy-compatible direct roving can be converted into selected multiaxial or UD reinforcement used in wind-energy composite structures.

Final qualification should follow the fabric and laminate requirements of the blade manufacturer.

20. Can fiberglass direct roving be used for marine composites?

Yes.

Woven roving and multiaxial fabric produced from suitable direct roving can be used for boat hulls,marine panels,and other FRP components.

21. Can it be used for road geogrid?

Yes.

Selected J107 grades are designed for fiberglass geogrid manufacturing.

The performance of the finished road-reinforcement product also depends on grid geometry,coating,and installation requirements.

22. Can linear density be customized?

Yes.

Custom specifications can be evaluated according to fabric weight,weaving equipment,and final-product requirements.

23. How should fiberglass roving be stored?

Store it in a cool,dry,well-ventilated warehouse in original sealed packaging.

The current recommendation is approximately -10°C to 35°C and 35%–65% RH.

24. Why should roving be conditioned before use?

If cold or differently conditioned packages are opened immediately in a warm or humid production environment,condensation may occur.

Allowing the product to equilibrate before use can reduce this risk.

25. What information should I provide when requesting a quotation?

Please provide:

• Finished fabric type

• J107 / J506 / J502 if already known

• Required tex

• Required filament diameter if specified

• Resin system

• Fabric areal weight

• Weave or mesh structure

• Loom or manufacturing process

• Required quantity

• Bobbin / packaging requirement

• Destination country or port

Why Choose WGSC Composite?

WGSC Composite supplies fiberglass direct roving,woven reinforcement,glass fiber fabrics,carbon fiber materials,and composite reinforcement products for wind energy,marine,construction,transportation,and industrial applications.

Our fluorine-free and boron-free E-glass direct roving range includes J107,J506,and J502 sizing systems with current linear-density options from approximately 250–2400 tex for woven roving,geogrid,grid cloth,grinding wheel reinforcement,and multiaxial fiberglass fabric production.

Different tex ranges,resin compatibility,packaging,and application-specific specifications can be evaluated according to industrial weaving requirements.

Whether you are sourcing fiberglass direct roving for weaving,E-glass roving for woven roving,2400 tex fiberglass roving,fiberglass roving for geogrid,epoxy-compatible roving for multiaxial fabric,or custom glass fiber direct yarn,we can provide specification and quotation support according to your production requirements.

Request a Quote

Looking for a fiberglass direct roving supplier for woven fabric,geogrid,or multiaxial reinforcement production?

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Finished Fabric · Roving Grade · Tex · Resin System · Fabric Weight · Weaving Process · Quantity · Packaging Requirement · Destination

Contact WGSC Composite for J107,J506,J502,and ER2400 fiberglass direct roving specifications,custom weaving-roving requirements,and quotation support.