E-glass fiber is used in most fiberglass reinforced plastics (FRP) products, such as ship hulls, storage tanks, pipes, panels, and automotive parts.
| Form | Description | Features and Applications |
| Roving | A yarn bundle formed by plying parallel strands of yarn. | The mainstay of the winding, pultrusion, and injection molding processes. Provides primary strength. |
| Chopped Strand | Made by chopping roving. | Used in the compression molding (BMC/SMC) and injection molding processes, providing isotropy. |
| Surface Felt | Made from randomly laid monofilaments. | Used as the product's inner lining, this resin-rich layer provides corrosion and leakage protection, and conceals fiber grain. |
| Chopped Strand Felt | Made from randomly laid chopped strands secured with a binder. | Utilizing hand lay-up and vacuum infusion processes, this fabric offers excellent conformability and high interlayer strength. |
| Knitted Felt | Made from chopped strands stitched together in a coil structure. | Stronger than chopped strand mat, with faster resin penetration, suitable for hand lay-up and LRTM. |
| Fabric (Gingham/Axial) | Woven from yarn. | High strength and excellent lay-up design, suitable for hand lay-up and vacuum infusion, providing high strength in a specific direction. |
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