Weitong Composite vada ar modernāko austo roving tehnoloģiju
Fiberglass woven roving is a reinforcement fabric made by weaving continuous glass fiber rovings in the warp and weft directions. It is widely used in FRP and other composite applications where bidirectional reinforcement is needed. Different products can vary in areal weight, weave, yarn specification, width, and surface treatment, so the right choice should match the part design and manufacturing process.
Start with the structure and application of the finished composite part. Fiberglass woven roving is commonly used for boats, surfboards, tanks, swimming pools, automotive components, panels, and other FRP products.
For flat or relatively simple structures, fabric stability and reinforcement efficiency are important. For curved or more complex surfaces, flexibility and drapability should also be considered.
Areal weight affects the thickness that can be built up in each layer and therefore influences the overall laminate design. However, a higher fabric weight does not automatically mean better finished-product performance.
Consider the combination of areal weight, warp and weft yarn specifications, tensile requirements, laminate thickness, and layer arrangement rather than relying on fabric weight alone.
Plain and twill weaves are common options. The weave structure can affect fabric stability, flexibility, and how easily the material conforms to the mold.
| Selection Factor | What to Consider |
|---|---|
| Areal weight | Required laminate thickness and reinforcement level |
| Weave | Part shape and forming method |
| Warp and weft yarn | Load requirements in different directions |
| Width | Mold dimensions and production equipment |
| Surface treatment | Compatibility with the selected resin |
| Wet-out | Resin impregnation and processing efficiency |
For hand lay-up, the fabric should be easy to cut, position, and impregnate with resin. Stable fabric construction and good wet-out can help improve consistency during lamination.
For mechanized processes, dimensional stability, resin wet-out, and compatibility with the equipment become more important. The required specifications should be confirmed according to the actual process.
Surface sizing plays an important role in the interaction between glass fibers and resin. Common resin systems include polyester, vinyl ester, and epoxy, but the selected fiberglass woven roving should be compatible with the specific resin and curing process.
◆ Note: If the fiber treatment and resin system are not well matched, wet-out and final composite performance may be affected. For new applications, sample testing can help verify processing behavior before bulk production.
When comparing suppliers, look beyond the product name and fabric weight. Check the following technical details:
Two products with the same nominal fabric weight may still behave differently during processing. Comparing technical data and conducting a trial with the intended resin system can provide a more reliable basis for selection.
Choosing the right fiberglass woven roving requires more than selecting a specific fabric weight. The end-use requirements, load direction, weave, manufacturing process, resin system, and laminate design should all be considered together.
The most suitable product is the one that fits the composite structure and production process—not necessarily the heaviest or lowest-cost option. For demanding applications, testing the actual lay-up and resin wet-out before bulk purchasing can help reduce production risks.
